They were twins, who practiced together in western Pennsylvania before moving to Seattle, Washington in 1907 to participate in the city's rapid growth brought on by the Klondike Gold Rush.
Their work on the west coast, while concentrated in Seattle, can be found from Los Angeles to San Francisco to Alaska, and inland to Montana.
The system replaced steel, which twisted and collapsed in the extreme heat of a fire, with hollow clay tiles to support the floors.
[5] Michael stayed in Seattle and ran that office until he retired in 1932, but did little noteworthy after Louis left.
[5] In addition to homes, commercial buildings, churches, a steamship terminal, they also designed at least six banks.
[5][9] Michael was reported to be honored at a 1912 opening of a bank he designed in Montana by being allowed to make the first deposit.