Gloria Twine Chisum (1930- )

An experimental psychologist, Gloria Twine Chisum is primarily known for developing protective eyewear for pilots in extreme conditions. Chisum was born in Muskogee, Oklahoma in 1930. She grew up in Muskogee but then attended Howard University where she earned an undergraduate degree in psychology in 1951 and completed an MS in psychology … Read MoreGloria Twine Chisum (1930- )

Alexander Miles (1838-1918)

Born near Circleville, Ohio to Michael Miles and Mary Pompy, Alexander Miles is the 19th Century African-American inventor known best for patenting his design for improving the automatically opening and closing elevator doors.  The patent was issued on October 11, 1887 (U.S. Patent 371,207). Miles moved to Winona, Minnesota in 1870 … Read MoreAlexander Miles (1838-1918)

Philip B. Downing (1857-1934)

During the late nineteenth and the early twentieth century, Philip Bell Downing successfully filed at least five patents with the United States Patent Office. Among his most significant inventions were a street letter box (U.S. Patent numbers 462,092 and 462,093) and a mechanical device for operating street … Read MorePhilip B. Downing (1857-1934)

George Carruthers (1939- )

The physicist and inventor George Carruthers, known for inventing the ultraviolet camera and spectrograph, was born on October 1, 1939 in Cincinnati, Ohio. Dr. Carruthers is the oldest of four siblings. Carruthers’s father, George Carruthers, Sr., died when Carruthers was only 12 years old. However, … Read MoreGeorge Carruthers (1939- )

William Chester Ruth (1882-1971)

William Chester Ruth was an African American inventor, business owner, and community leader in Chester County, Pennsylvania.  Ruth was the son of Samuel and Maria Louisa Pinn-Ruth.  The 54th Massachusetts Infantry Regiment liberated Samuel, a former slave, when it occupied Savannah, Georgia in 1865 while … Read MoreWilliam Chester Ruth (1882-1971)