Walter Lincoln Hawkins (1911-1992) – Weather-resistant cable coating
Walter Lincoln Hawkins, born in 1911 in Washington D.C., was the grandson of a slave. He attended Rensselaer Polytechnic Institute after high school and was one of only two African American students. Hawkins earned his doctorate from McGill University in 1938, becoming the first black person to hold a technical staff position at Bell Laboratories.
While at Bell Labs, Hawkins developed his most famous invention: a weather-resistant polymer coating for telephone wires. This plastic sheath could withstand extreme temperature changes and last for decades, replacing the lead materials previously used to protect telephone cables. Hawkins’ invention revolutionized the telecommunications industry and significantly impacted everyday life.
In 1976, Hawkins retired from Bell Labs and was appointed research director by the Plastics Institute of America. His groundbreaking work as a scientist and inventor opened doors for future generations of black scientists and helped shape the world we live in today.