Thomas G. (Thomas George) Gentry

Thomas George Gentry was born on February 28, 1843, in Holmesburg, Philadelphia, Pennsylvania, and became known as an American educator, ornithologist, naturalist, and writer. He is especially associated with bird study and with making natural history accessible to general readers.

Among his best-known books are Life-Histories of the Birds of Eastern Pennsylvania and The House Sparrow at Home and Abroad. He also wrote on broader themes, including animal rights and plant intelligence, which gives his body of work a wider reach than bird study alone.

Although some of his claims later drew criticism, his writing reflects a lively 19th-century effort to observe, classify, and interpret the natural world for ordinary readers as well as specialists. He died in 1905.