(1911) African-American scientist and inventor Walter Lincoln Hawkins is born. He is known for making universal service possible by a plastic to cover telephone wires.
(1932) American biochemist and physicist Walter Gilbert is born. He was an early supporter of sequencing the human genome and was also the first to purify a gene regulatory protein.
 African-American scientist and inventor Walter Lincoln Hawkins is born. He is known for making universal service possible by a plastic to cover telephone wires.){kind=link}