The Hieronymus Mueller Museum is now OPEN to visitors, by appointment only.
June 29, 2020
Learn more about Decatur and Hieronymus Mueller’s history in this short video by Gary Geisler!
Decatur Magazine, June 1, 2020
Visit the Hieronymus Mueller Museum and you’ll step into the rich story of a man heralded as a creative genius, prolific inventor and community champion. Chapters, as viewed through Mueller Company’s lens, are historical snapshots only Decatur can share.
Herald & Review, October 29, 2019
WAND-TV, October 23, 2019
Herald & Review, August 8, 2019
WAND-TV, November 6, 2017
Hieronymus Mueller moved to the United States in 1832. Through hard work and dedication, Mueller helped change the gas and water industry. Mueller was a German immigrant and an inventor and businessman.
Herald & Review, September 22, 2017
PBS, January 31, 2014
The Cross at the Crossroads in Effingham is seen by many, and we’ll share the story behind the big symbol. We’ll take you inside the Mueller Family museum in Decatur; started by German immigrant Hieronymus Mueller in the late 1800s, the Mueller Company became famous for fire hydrants, butterfly valves and much more.