Robert A. Ritterbush

Robert A. Ritterbush FAIA (1891–1980) was an American architect in practice in Bismarck, North Dakota, from 1920 until 1967.

In 1920 he returned to North Dakota, settling in Bismarck, where he and his brother, Clarence W. Ritterbush (1893–1990), formed a partnership with established architect Arthur Van Horn.

[2] In 1922 Ritterbush joined the North Dakota Association of Architects, of which Van Horn had been a founding member in 1917.

In 1966, following his retirement from that office, the association honored him for his "46 years of practice in architecture and outstanding service to the profession."

Major projects of the successor firm include the judicial wing addition to the North Dakota State Capitol, completed in 1981,[7] and the Bismarck North Dakota Temple of the Church of Jesus Christ of Latter-day Saints, completed in 1999.

The Hettinger County Courthouse in Mott , designed by Ritterbush Brothers and completed in 1936.
The Valley City Municipal Auditorium , completed in 1937.
The former North Dakota Governor's Residence in Bismarck , completed in 1960 and demolished in 2018.
The Montana–Dakota Utilities Company Building in Bismarck , completed in 1968.