Jan Ernst Matzeliger (September 1852 – August was an . but his efforts at inventing a shoe-lasting machine began in the United States after a life of working . In the early days of shoe making, shoes were made mainly by hand.
Patricia Era Bath is an Black American and Native American ophthalmologist, inventor of the Laserphaco Probe. Bath is the first Black American woman doctor to receive a patent for a medical purpose. Her Laserphaco Probe is used to treat cataracts.
BLACK HISTORY MONTH: For all those who love baking, but want the tasks to be made as easy as possible, you have Anna M. Mangin to thank for her ability to foresee your needs. The young African American woman invented the pastry fork in
Lewis Howard Latimer, patented a method for making carbon filaments, allowing light bulbs to burn for hours instead of minutes. Latimer also drafted drawings that helped Alexander Graham Bell receive a patent for the telephone.
Walter S. McAfee is the African American mathematician and physicist who first calculated the speed of the moon. McAfee participated in Project Diana in the - a U. Army program, created to determine whether a high frequency radio signal could.