John Gummere

 ( 19th-century American Astronomers ) 

John Gummere (1784-1845) was an American astronomer and one of the founders of Haverford College in Pennsylvania."Francis Barton Gummere", John Matthews Manly, Modern Philology, September 1919, p. 241-246 He was born in 1784 near Willow Grove, Pennsylvania.John Gummere day book (MC.975.11.013), Quaker & Special Collections, Haverford College, Haverford, PA. His son Samuel James Gummere (1811-1874) was the first president of Haverford College, and his grandson Francis Barton Gummere (1855-1919) was an influential scholar of folklore and ancient languages and an alumnus of Haverford College.

In 1814, Gummere was elected as a member of the American Philosophical Society.

Gummere built the first observatory at Haverford College (erected about 1834), now commemorated by a plaque at its original location, after being replaced by the Strawbridge Observatory in 1850.

• Practical Astronomy, 1812
• Mathematical Tables, 1822
• A Treatise on Surveying, 1822
• An Elementary Treatise on Astronomy, 1842

• Works by John Gummere at Online Books, UPenn.