Alfred Lee Loomis

Alfred Lee Loomis (November 4, 1887 – August 11, 1975) was an American attorney, investment banker, philanthropist, scientist/physicist, inventor of the LORAN Long Range Navigation System, and a lifelong patron of scientific research. He established the Loomis Laboratory in Tuxedo Park, New York, and his role in the development of radar is considered instrumental in the Allied victory in World War II. He invented the Aberdeen Chronograph for measuring muzzle velocities, contributed significantly (perhaps critically, according to Luis Alvarez) to the development of a ground-controlled approach technology for aircraft, and participated in preliminary meetings of the Manhattan Project. Loomis also made contributions to biological instrumentation. Working with Edmund Newton Harvey he co-invented the microscope centrifuge, and pioneered techniques for electroencephalography. In 1937, he discovered the sleep K-complex brainwave.

Born in Manhattan, Loomis was the son of Julia Josephine Stimson and Henry Patterson Loomis, and grandson of Alfred Lebbeus Loomis. There were prominent members of society on both sides of his family; primarily they were physicians. Alfred's parents separated when he was very young, and his father died when Alfred was in college. His first cousin was Henry Stimson, who held cabinet-level positions in the administrations of William Howard Taft, Herbert Hoover, Franklin Roosevelt, and Harry S. Truman. From the boy's early years, Stimson exerted considerable influence on Loomis.

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