. A history of Pennsylvania. and roseto the rank of Major General. Hetook an active part in the cam-paigns of the Middle Colonies, andwas several times wounded. Afterthe Revolution he rose to be Com-mander of the United States reduced the Indians of Ohio tosubmission. He died at PresqueIsle (1796). There is a monu-ment to him in the graveyard ofold St. Davids Church, Radnor, Delaware County. One of the citizens with a European reputation was DavidRittenhouse (1732-1796), who was of German descent.^He has already been mentioned in connection with runningthe boundary lines of the State.
. A history of Pennsylvania. and roseto the rank of Major General. Hetook an active part in the cam-paigns of the Middle Colonies, andwas several times wounded. Afterthe Revolution he rose to be Com-mander of the United States reduced the Indians of Ohio tosubmission. He died at PresqueIsle (1796). There is a monu-ment to him in the graveyard ofold St. Davids Church, Radnor, Delaware County. One of the citizens with a European reputation was DavidRittenhouse (1732-1796), who was of German descent.^He has already been mentioned in connection with runningthe boundary lines of the State. He was a mathematicianand the best astronomer of his day in America. He made avery successful observation of the transit of Venus across thesun in 1769, and his work was so accurate and full that heattained a world-wide He constructed instru-ments called orreries to illustrate the movements of theplanets round the sun, which were much valued. He was aradical in politics and gave much time and attention to public. Anthony Wayne 1 The family called themselves in early days Rittinghuysen. 2 His observations were made from a temporary platform in IndependenceSquare. CONDITIONS IN THE STATE ABOUT iSoo 203 affairs. He helped to frame the Constitution of the State(1776), was State Treasurer (1777-1789), was a member ofthe Board of War, and the first Director of the United StatesMint. Another scientist of world-wide fame, though in a verydifferent field, was John Bartram (1699-1777). He was bornin Delaware County. He was the first man to make anyextensive botanical researches in America, and so carefuland accurate was he that Linnaeus, the great Swedish botanist,said that he was the greatest natural botanist in the was a self-educated man. He bought at a sheriffs salea tract of land on the Darby road, near Philadelphia, wherehe began his botanical garden, the first in America. On thislot also he built (1730) with his own hands, the stone housewhich still stands in
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