Fritz August Breuhaus (February 9, 1883 – December 2, 1960) was a German architect, interior designer, and designer in the 20th century. He added “de Groot” to the end of his name in 1929. He spread the word of this addition claiming to be the grandson/great-grandson of a reputable painter Breuhaus de Groot. His father, Heinrich Hugo Breuhaus was a dentist and married to his mother Johanne Knipping. Breuhaus died on December 2, 1960, aged 77, in Cologne. He continued working right up till his death. Architect Arthur Gerard, completed any work left undone.