Thomas J. “Tom” Bradley elected Mayor of Los Angeles on this date. Bradley was the 38th Mayor of Los Angeles, serving from 1973 to 1993. He was the only African-American mayor of that city, and his 20 years in office mark the longest tenure by any mayor in the city’s history.
Frederick M. Jones, a prolific African American inventor, was granted a patent for a two-cycle gasoline engine on May 29, 1945 (U.S. Patent No. 2,376,968). Best known for inventing mobile refrigeration for trucks and trains, Jones held over 60 patents in his lifetime—many in the field of refrigeration, but also covering engines, electronics, and sound equipment. His innovations revolutionized the food and transportation industries and played a key role in preserving medical supplies during World War II.
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