Hartline, Haldan Keffer
- Floyd Ratliff
Hartline, Haldan Keffer (22 December 1903–18 March 1983), biophysicist, was born in Bloomsburg, Pennsylvania, the son of Daniel Schollenberger Hartline, a teacher in the natural sciences at Bloomsburg State Normal School, and Harriet Franklin Keffer, a teacher of English at the normal school. Hartline referred to his father as his “first and best teacher.” The love of nature that his father instilled in him strongly influenced his choice of experimental research in biology as a lifelong career. In 1920 Hartline spent the summer studying comparative anatomy at the marine laboratory in Cold Spring Harbor, Long Island. That fall he entered Lafayette College. Hartline spent the summer of 1923 at the marine laboratory at Woods Hole, Massachusetts, where the eminent biologist ...