Dr. Shannon Horace Gwin was a psychiatrist from Corpus Christi, Texas, United States. Here are 10 more things about him:

1. He served in the U.S. Navy as a line officer and a commander of sub-chasers.
2. In 1940, he earned a bachelor’s degree from Texas A&I University in Kingsville, Texas, which was renamed Texas A&M University–Kingsville in 1993.
3. In 1950, he and Lucille “Luci” Pieper Gwin got married. They lived in Galveston, Texas.
4. In 1951, Luci gave birth to their son Shannon Collier Gwin. In the same year, he graduated at University of Texas Medical Branch (UTMB) in Galveston, Texas with a doctor of medicine degree. From 1951 to 1952, he served his internship in the Wichita Falls Clinic Hospital in Wichita Falls, Texas.
5. In 1952, Luci gave birth to their daughter Hannah Gwin. From 1952 to 1955, he completed his residency in neuropsychiatry at UTMB where he worked with Dr. Irvin Cohen in early work on chloropromazine. 
6. In 1954, he and his family moved from Galveston to Corpus Christi. In the same year, Luci gave birth to their son Marshall Allen Gwin in Corpus Christi.
7. In 1956, Luci gave birth to their son David Kelly Gwin in Corpus Christi.
8. In 1977, he was awarded a Distinguished Service Award by the Texas district branch of the American Psychiatric Association. 
9. In 2000, his son Marshall died after a long battle with liver disease. Marshall was 46.
10. On February 23, 2007, he died at age 87.