Isaac Hays [SEP] occupation
Isaac Hays
Isaac Hays (1796 – 1879) was an American ophthalmologist, medical ethicist, and naturalist. A founding member of the American Medical Association, and the first president of the Philadelphia Ophthalmological Society, Hays published the first study of non-congential colorblindness and the first case of astigmatism in America. He was editor or co-editor of "The American Journal of the Medical Sciences" for over 50 years.
Early life and education.
Isaac Hays was born on July 5, 1796, the second
by Antonio Canales Rosillo invades south Texas and is repulsed near Fort Lipantitlán.
- Sep 11 - A division of the Mexican Army led by Gen. Adrián Woll invades Texas and captures San Antonio.
- Sep 18 - Col. Mathew Caldwell's and Capt. Jack Hays' companies attack General Woll's army at the Battle of Salado Creek.
- Sep 18 - 36 Texans are surrounded and killed by the Mexican Army in the Dawson Massacre.
- Dec 26 - 261 Texans are taken prisoner in the ill-