(July 5, 1888 – May 11, 1963) an American physiologist, and recipient of the Nobel Prize for Physiology or Medicine in 1944 for his work with action potentials in nerve fibers while on the faculty of Washington University in St. Louis, awarded jointly with Joseph Erlanger.

Philosophical term denoting Spencer's influence.

The (also known as the "Anesthetic Prowler," the "Phantom Anesthetist," or simply the "Mad Gasser") the name given to the person or people believed to be responsible for a series of apparent gas attacks that occurred in Mattoon, Illinois, during the mid-1940s.

a revolver chambered for 11.3×36mmR and was adopted by the Austro-Hungarian cavalry in 1870.

a double-action, solid-frame revolver that served as the standard sidearm for the Austro-Hungarian Army from 1898 to 1918, including during World War I.