William Thum (December 21, 1861 â May 10, 1941) was an American politician who served as the 15th mayor of Pasadena, California, from 1911 to 1913.
On December 21, 1861, Thum was born in Michigan. Thum's parents were William Thum (1824-1883) and Christina (nee Greiner) Thum (1825-1907).
Thum was a chemist. Thum was known for Tanglefoot, an adhesive fly-paper.
In 1911, Thum became mayor of Pasadena, California, until 1913.
During Thum's administration, Pasadena assumed control of the city's water system.
Thum's wife is Margaret Thum. They have two children. On May 10, 1941, Thum died in Pasadena, California. Thum is buried at Hollywood Forever Cemetery in Los Angeles, California.