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Johannes Kepler (1571-1630) was a German mathematician, astronomer, and astrologer. A key figure in the 17th century scientific revolution, he is best known for his laws of planetary motion, based on his works Astronomia nova, Harmonices Mundi, and Epitome of Copernican Astronomy. These works also provided one of the foundations for Isaac Newton's theory of universal gravitation.

Johannes Kepler

Johannes Kepler (1571-1630) was a German mathematician, astronomer, and astrologer. A key figure in…

(1750-1826) Soldier and Public official who fought important battles during the American Revolution. He became the first governor of Kentucky.

Colonel Isaac Shelby

(1750-1826) Soldier and Public official who fought important battles during the American Revolution.…

First Governor of Kentucky

Isaac Shelby

First Governor of Kentucky

First Governor of Washington Territory

Isaac I. Stevens

First Governor of Washington Territory

Discoverer and inventor

Sir Isaac Newton

Discoverer and inventor

(1674-1748) English hymnologyst

Isaac Watts

(1674-1748) English hymnologyst

"Successful attack of a detachment of the Federal forces, under General Stevens, supported by four gunboats of the fleet, on the Confederate fortifications on and near Port Royal Ferry, January 1st, 1862, landing of the Federal troops on the mainland. The command of this expedition, which was to destroy three batteries erected upon the mainland by the Confederates, before they became too powerful, was given to Brigadier General Isaac J. Stevens, an officer admirably qualified for the position. His staff was composed of Assistant Adjutant General Stevens, Assistant Quartermaster General Lilley, Assistant Commissary General Warfield and Surgeon Kremble. The regiments were: the Roundheads of Pennsylvania, Colonel Lesure; the Fifteenth Pennsylvania, Colonel Christo; Eighth Michgan, Colonel Fenton; Seventy-ninth New York, Colonel Morrison; Forty-seventh New York, Colonel Fraser; and his Forty-eighth New York Volunteers, Colonel Perry. The troops were to be supported and covered by the Gunboats <em>Pembina</em>, Captain Bankhead; <em>Seneca</em>, Captain Ammon; the <em>Ottawa</em>, Captain Stevens, and the <em>Ellen</em>, Captain Budd. These were under the command of Captain Raymond Rogers, of the Flagship <em>Wabash</em>, who embarked on board the <em>Ottawa</em>. The troops were marched from Beaufort during the 31st of December to the north of Brick Yard Creek, the narrowest part of Beaufort, on Port Poyal River, and joining Coosaw River. Here they found flats, barges and boats for their transportation. Early on New Year's morning they crossed, having then five miles to march before they reached Port Royal Ferry." &mdash;Leslie, 1896

Port Royal Ferry

"Successful attack of a detachment of the Federal forces, under General Stevens, supported by four gunboats…

"General Isaac P. Rodman served in the Civil War."&mdash; Frank Leslie, 1896

General Isaac P. Rodman

"General Isaac P. Rodman served in the Civil War."— Frank Leslie, 1896

"General Catlin served in the Civil War."&mdash; Frank Leslie, 1896

General Isaac S. Catlin

"General Catlin served in the Civil War."— Frank Leslie, 1896

"General Newton, born in Norfolk, Va., August 24th 1823. He was graduated at the United States Military Academy in 1842."&mdash; Frank Leslie, 1896

General John Newton

"General Newton, born in Norfolk, Va., August 24th 1823. He was graduated at the United States Military…

Isaac Rice was the name of our octegenarian guide. Like scores of those who fought our battles for freedom, and lived the allotted term of human life, he is left in his evening twilight to depend upon the cold friendship of the world for sustenance, and to feel the practical ingratitude of a people reveling in the enjoyment which is privations in early manhood contributed to secure.

Isaac Rice

Isaac Rice was the name of our octegenarian guide. Like scores of those who fought our battles for freedom,…

"Van Wart's monument. The following are the inscriptions upon this monument: North Side: 'Here repose the mortal remains of Isaac Van Wart, an elder in the Greenburgh church, who died on the 23d of May, 1828, in the 69th year of his age. Having lived the life, he died the death, of the Christian. South Side: 'The citizens of the county of West Chester erected this tomb in testimony of the high sense they entertained for the virtuous and patriotic conduct of their fellow-citizen, as a memorial sacred to public graditute.' East Side: 'Vincent, Amor Patriae. Nearly half a century before this monument was built, the conscript fathers of America had, in the Senate chamber, voted that Isaac Van Wart was a faithful patriot, one in whom the love of country was invincible, and this tomb bears testimony that the record is true.' West Side: 'Fidelity. On the 23d of September, 1780, Isaac Van Wart, accompanied by John Paulding and David Williams, all farmers of the county of West Chester, intercepted Major Andre, on his return from the American lines in the character of a spy, and, notwithstanding the large bribes offered them for his release, nobly disclaimed to sacrifice their country for gold, secured and carried him to the commanding officer of the district, whereby the dangerous and traitorous conspiracy of Arnold was brought to light, the insiduous designs of the enemy, baffled, the American army saved, and our beloved country free.'"—Lossing, 1851

Van Wart's Monument

"Van Wart's monument. The following are the inscriptions upon this monument: North Side: 'Here repose…

Developed Pitman Shorthand and was vice-president of the Vegetarian Society.

Isaac Pitman

Developed Pitman Shorthand and was vice-president of the Vegetarian Society.

Secretary of Treasury and comptroller of the treasury.

Isaac H. Maynard

Secretary of Treasury and comptroller of the treasury.

"Make a 'Newton disk', painting the prismatic colors in proper proportion as indicated." &mdash; Avery, 1895

Newton disk

"Make a 'Newton disk', painting the prismatic colors in proper proportion as indicated." — Avery,…

Philosopher and mathematician, born at Woolsthorpe, England, Dec. 25, 1642; died March 20, 1727.

Sir Isaac Newton

Philosopher and mathematician, born at Woolsthorpe, England, Dec. 25, 1642; died March 20, 1727.

An educator and inventor of the Pitman system of shorthand writing, born in Trowbridge, England, Jan. 4, 1813; died Jan. 22, 1897.

Sir Isaac Pitman

An educator and inventor of the Pitman system of shorthand writing, born in Trowbridge, England, Jan.…

A Cornish writer, who published unter the pen name of Q. Born in Cornwall, he was educated at Newton Abbot College, at Clifton College, and Trinity College, Oxford and later became a lecturer there.

Arthur Thomas Quiller-Couch

A Cornish writer, who published unter the pen name of Q. Born in Cornwall, he was educated at Newton…

A medal awarded to soldiers, in honor of Isaac Hull.

Hull Medal

A medal awarded to soldiers, in honor of Isaac Hull.

(1832-1881) An Arctic explorer and physician.

Isaac Israel Hayes

(1832-1881) An Arctic explorer and physician.

"And they came to the place which God had told him of. And Abraham built the altar there, and laid the wood in order, and bound Isaac his son, and laid him on the altar, upon the wood. And Abraham stretched forth his hand, and took the knife to slay his son. And the angel of Jehovah called unto him out of heaven, and said, Abraham, Abraham. And he said, Here I am. And he said, Lay not thy hand upon the lad, neither do thou anything unto him. For now I know that thou fearest God, seeing thou hast not withheld thy son, thine only son, from me." Genesis 22:9-12 <p>This sculpture is a Bronze-relief by Brunellesco. There is a similar sculpture done by Ghiberti. It can now be found in the National Museum in Florence, Italy.

Offering of Isaac

"And they came to the place which God had told him of. And Abraham built the altar there, and laid the…

(1642-1727) English natural philosopher, mathematician, and physicist most famous for gravity and his laws of motion.

Sir Isaac Newton

(1642-1727) English natural philosopher, mathematician, and physicist most famous for gravity and his…

The servant meets Rebekah in the Bible story, The Marriage of Isaac.

Rebekah

The servant meets Rebekah in the Bible story, The Marriage of Isaac.

Isaac Barr&eacute; (1726 &ndash; 1802) was a British soldier and politician.

Isaac Barré

Isaac Barré (1726 – 1802) was a British soldier and politician.

Medal in memory of Major-General Sir Isaac Brock.

Medal in Memory of General Brock

Medal in memory of Major-General Sir Isaac Brock.

Monument at the place where General Isaac Brock fell.

Monument Where General Brock fell

Monument at the place where General Isaac Brock fell.

Johannes Kepler (December 27, 1571 - November 15, 1630) was a German mathematician, astronomer and astrologer, and key figure in the 17th century astronomical revolution. He is best known for his eponymous laws of planetary motion, codified by later astronomers based on his works Astronomia nova, Harmonices Mundi, and Epitome of Copernican Astronomy. They also provided one of the foundations for Isaac Newton's theory of universal gravitation.

Johannes Kepler

Johannes Kepler (December 27, 1571 - November 15, 1630) was a German mathematician, astronomer and astrologer,…

Isaac Chauncey (20 February 1779 - 27 January 1840) was an officer in the United States Navy.

Isaac Chauncey

Isaac Chauncey (20 February 1779 - 27 January 1840) was an officer in the United States Navy.

Isaac Chauncey (20 February 1779 - 27 January 1840) was an officer in the United States Navy. Pictured is Chauncey's monument.

Chauncey's Monument

Isaac Chauncey (20 February 1779 - 27 January 1840) was an officer in the United States Navy. Pictured…

Isaac Hull (March 9, 1773 - February 13, 1843), was a Commodore in the United States Navy.

Isaac Hull

Isaac Hull (March 9, 1773 - February 13, 1843), was a Commodore in the United States Navy.

Isaac Hull (March 9, 1773 - February 13, 1843), was a Commodore in the United States Navy.

Isaac Hull's Monument

Isaac Hull (March 9, 1773 - February 13, 1843), was a Commodore in the United States Navy.

The Congressional Gold Medal awarded to Isaac Shelby.

Medal Presented to Isaac Shelby (Front)

The Congressional Gold Medal awarded to Isaac Shelby.

The Congressional Gold Medal awarded to Isaac Shelby.

Medal Presented to Isaac Shelby (Back)

The Congressional Gold Medal awarded to Isaac Shelby.

"How doth the little busy bee, Improve each shining hour." -Isaac Watt

Isaac Watt Rebus

"How doth the little busy bee, Improve each shining hour." -Isaac Watt

"And they came to the place which God had told him of; and Abraham built an altar there, and laid the wood in order, and bound Isaac his son, and laid him on the altar upon the wood." Genesis 22:9 KJV

Abraham Offering Isaac

"And they came to the place which God had told him of; and Abraham built an altar there, and laid the…

"And Isaac brought her into his mother Sarah's tent, and took Rebekah, and she became his wife; and he loved her: and Isaac was comforted after his mother's death." Genesis 24:67 KJV

Isaac Welcoming Rebekah

"And Isaac brought her into his mother Sarah's tent, and took Rebekah, and she became his wife; and…

"And he came near, and kissed him: and he smelled the smell of his raiment, and blessed him, and said, See, the smell of my son is as the smell of a field which the LORD hath blessed:" Genesis 27:27 KJV

Isaac Blessing Jacob

"And he came near, and kissed him: and he smelled the smell of his raiment, and blessed him, and said,…

"Trachea or windpipe of the red breasted merganser, Mergus serrator, about half natural size, viewed from above (behind); after Newton, A, tongue; B B, its attachments; C C; windpipe, dilated in the middle and swelling below into a bony box, D; E E, bronchial tubes, going to the lung" Elliot Coues, 1994

the Windpipe of a Male Red Breasted Merganser

"Trachea or windpipe of the red breasted merganser, Mergus serrator, about half natural size, viewed…

This statuette vase is designed in an Elizabethan style. The statuettes represent Newton, Bacon, Shakespeare, and Watt, commemorating Astronomy, Philosophy, Poetry and Mechanics.

Statuette Vase

This statuette vase is designed in an Elizabethan style. The statuettes represent Newton, Bacon, Shakespeare,…

"Isaac Adam's bed and platen press, 1830." -Hill, 1921

Adams' Platen Printing Press

"Isaac Adam's bed and platen press, 1830." -Hill, 1921

An illustration of Sir Isaac Newton sitting on the ground being hit by an apple falling out of a tree and discovering the law of gravity.

Isaac Newton Discovering Gravity

An illustration of Sir Isaac Newton sitting on the ground being hit by an apple falling out of a tree…

The death mask of Sir Isaac Newton, who discovered the law of gravitation.

Death Mask of Sir Isaac Newton

The death mask of Sir Isaac Newton, who discovered the law of gravitation.

An illustration of what it would look like if ball e that is placed in a cup attached to lever o were to be pushed out by using a swinging arm activated by spring d. Spring d is arranged in a manner that when it is drawn back and released, it will strive lever o and ball b at the same time. In the experiment, ball b follows the curved line and ball e is dropped vertically. Both will meet the floor at the same time. This experiment is meant to show how Newton's second law works. The acceleration of a body is parallel and directly proportional to the net force and inversely proportional to the mass. F = ma

Second Law

An illustration of what it would look like if ball e that is placed in a cup attached to lever o were…

water is issued from a hole in both vessels, one with a thin wall and one with a thick wall, the stream contracts a short distance from the vessel, and then expands again. This contraction is called a contracted vein, which was named by Sir Isaac Newton.

Contracted Vein

water is issued from a hole in both vessels, one with a thin wall and one with a thick wall, the stream…

"And the angel of Jehovah called unto him out of heaven, and said, Abraham, Abraham. And he said, Here I am. And he said, Lay not thy hand upon the lad, neither do thou anything unto him. For now I know that thou fearest God, seeing thou hast not withheld thy son, thine only son, from me." Genesis 22:11-12 <p>The angel of the Lord halts the sacrifice of Isaac and provides a ram in his place.

Sacrifice of Isaac

"And the angel of Jehovah called unto him out of heaven, and said, Abraham, Abraham. And he said, Here…

"Now Moses was keeping the flock of Jethro his father-in-law, the priest of Midian: and he led the flock to the back of the wilderness, and came to the mountain of God, unto Horeb. And the angel of Jehovah appeared unto him in a flame of fire out of the midst of a bush: and he looked, and, behold, the bush burned with fire, and the bush was not consumed. And Moses said, I will turn aside now, and see this great sight, why the bush is not burnt. And when Jehovah saw that he turned aside to see, God called unto him out of the midst of the bush, and said, Moses, Moses. And he said, Here am I. And he said, Draw not nigh hither: put off thy shoes from off thy feet, for the place whereon thou standest is holy ground. Moreover he said, I am the God of thy father, the God of Abraham, the God of Isaac, and the God of Jacob. And Moses hid his face; for he was afraid to look upon God." Exodus 3 ASV <p>Illustration of Moses hiding his face as God appears to him from a burning bush. Moses has removed his shoes as directed.

Moses and the Burning Bush

"Now Moses was keeping the flock of Jethro his father-in-law, the priest of Midian: and he led the flock…

"And let it come to pass, that the damsel to whom I shall say, Let down thy pitcher, I pray thee, that I may drink. And she shall say, Drink, and I will give thy camels drink also. Let the same be she that thou hast appointed for thy servant Isaac. And thereby shall I know that thou hast showed kindness unto my master." Genesis 24:14 <p> Illustration of Rebecca pouring water into Eliezer's mouth from a pitcher. Three women stand nearby. One is leaning on the well and the other two are standing. One holds a pitcher on her shoulder. Two more of Abraham's servants stand nearby with three camels. One of the servants is holding a spear. A town is pictured in the background (left).

Rebecca Offers Water to Eliezer at the Well and is Chosen to be Isaac's Wife

"And let it come to pass, that the damsel to whom I shall say, Let down thy pitcher, I pray thee, that…

"And he discerned him not, because his hands were hairy, as his brother Esau's hands. So he blessed him." Genesis 27:23 ASV <p>Illustration of Jacob kneeling at Isaac's feet. Isaac's left hand rests on Jacob's hand and his right hand is on Jacob's head. Jacob's left arm can be seen covered in fur, which he used to trick Isaac into believing he was blessing Esau. Isaac sits on a bed surrounded by curtains of fabric. The food and wine sits nearby (left). Rebecca is standing in the doorway, leaning on a post. A man, most likely Esau, can be seen in the distant background, blowing a horn, and running with an animal.

Isaac Deceives Jacob and Receives Esau's Blessing

"And he discerned him not, because his hands were hairy, as his brother Esau's hands. So he blessed…