Isaac Hamilton Rapp, (1854 – March 27, 1933) was an American architect who has been called the "Creator of the Santa Fe style."
[1] Rapp learned his trade working for his father, a sometime architect and building contractor in Carbondale, Illinois.
[2]) Eventually a third brother, Charles Rapp moved to Trinidad, but did not join the architectural firm.
[3] The First Christian Church in Trinidad, built in 1922, was one of the later works by Rapp.
[4] Isaac Rapp died in 1933 at his home in Trinidad, Colorado.