Joseph Morgan ("Lefty") Gregory was born on June 24, 1917 in Oklahoma (city unknown) to parents Andrew R. and Winifred Fisher Gregory. As per the 1920 U.S. Census, the family lived in Wichita Falls, TX. As per the 1930 U.S. Census, the family lived in Bowie, TX. As per the 1940 U.S. Census, Morgan was back in Wichita Falls, was single and working as a roughneck. He enlisted in the U.S. Army Air Corps on February 7, 1944 in Presidio, CA as a Private. No further information is available about his service.
He married Gwendolyn Rhea (wedding date and place unknown) and they had two daughters. He was the chief of aviation for Texasgulf of Stamford, CT. On February 11, 1981, he was piloting a Lockheed Jetstar when it crashed on approach while attempting an instrument landing in bad weather at Westchester County Airport in Purchase, NY - eight executives including Morgan perished in the crash.
U.S. World War II Army Enlistment Records, 1938-46. U.S., Social Security Applications and Claims Index, 1936-2007 (has date of birth as June 24, 1915). U.S. Department of Veterans Affairs BIRLS Death File, 1850-2010. U.S. Social Security Death Index, 1935-2014. http://www.nytimes.com/1981/02/12/nyregion/texasgulf-chairman-and-6-aides-killed-in-westchester-jet-crash.html?pagewanted=all