Edwin Henry Cheney (June 13, 1869 - December, 1942) was an electrical engineer from Oak Park, Illinois, USA. Cheney commissioned Frank Lloyd Wright to build his family a house in Oak Park. Wright engaged in a love affair with Edwin's wife Mamah, with whom he went to Europe. Upon their return, Mamah moved into Taliesin, the new house Wright was building for them, while it was still under construction. Wikipedia
The definitive Wikipedia entry for Edwin Cheney. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Edwin_Cheney