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Howard Jones

Conformal antenna systems

In a career spanning over forty years, Howard S. Jones, Jr.

Marjorie Joyner

Permanent Wave Machine

A revolution in the beauty industry occurred during the early 1920s when a group of female African American inventors d

Whitcomb Judson

The Zipper

Most of the fastening devices used in clothing today, like the shoelace, the button, and the safety pin, have existed in s

Percy Julian

Synthesis of Cortisone

Born in Montgomery, Alabama in 1899, Percy Lavon Julian, the grandson of a former slave, overcame a lifetime of discrim