Joseph Erlanger, American physiologist and academic, Nobel Prize laureate (d. 1965)
Joseph Erlanger (January 5, 1874 – December 5, 1965) was an American physiologist who is best known for his contributions to the field of neuroscience. Together with Herbert Spencer Gasser, he identified several varieties of nerve fiber and established the relationship between action potential velocity and fiber diameter. They were awarded the Nobel Prize in Physiology or Medicine in 1944 for these achievements.