William Gabriel Tachau, AIA, (April 1875 – January 1969[1]), was an American architect active in early- to mid-twentieth-century New York City.
[3] The firm moved from 109 Lexington Avenue to 102 East 30th Street around 1923 and remained at that address and that name even after Vought left.
from Columbia University in 1896, and a Diplome Ecoles des Beaux Arts in 1903.
[5] He worked as a draftsman from 1896 to 1897 in the architectural firm of Lamb and Rich, as a designer for the architectural firm of Herts & Tallant in 1898, 1903 and 1904, and was briefly chief of design for Albert Kelsey in 1903.
Like many New York architectural firms active during the Great Depression, Tachau and Vought worked in "almost continuous employment on Federal, State or City work," as they were included on Mayor Fiorello H. La Guardia's list of architects, since its inception.