Ida Henrietta Hyde (September 8, 1857 – August 22, 1945) was an American physiologist known for developing a micro-electrode powerful enough to stimulate tissue chemically or electronically, yet small enough to inject or remove tissue from a cell.
Ida was never married and agnostic in her religious standing.
She retired at the age in 63 in the year 1920.
After her retirement, Ida traveled to several places, including Switzerland, Austria, Egypt, India, and several locations in Germany.
On August 22, 1945 Ida Hyde died of a cerebral hemorrhage.