Valentine, Texas 5.8 earthquake struck near Valentine, causing extensive damage. The earthquake was the most powerful ever recorded in Texas. Valentine, Texas Valentine is a town in Jeff Davis County, Texas, United States. The population was 134 at the 2010 census, down from 187 at the 2000 census. It is the only incorporated municipality in Jeff Davis County. Its name refers to the date of its founding in 1882 by a Southern Pacific Railroad construction crew: February 14. It is one of several cities named Valentine in the United States where the U.S. Postal Service cancels envelopes for Valentine's Day. The noted
Joan S. Valentine Joan S. Valentine Joan Selverstone Valentine (born 1945) is a biological inorganic chemist and biochemist. Valentine's current work examines the role of transition metals, metalloenzymes, and oxidative stress in health. Her foremost expertise is superoxide anion and its functional enzyme superoxide dismutase. Valentine has been a member of the faculty of the University of California, Los Angeles since 1980, she has served as Editor-in-Chief of "Accounts of Chemical Research" since 1994, and she was elected to the National Academy of Sciences in 2005. In 1967, she graduated with a Bachelor of Arts in Chemistry from Smith College and a Ph.D.