Johnson's later work was influenced by his progressive ideas on housing policy.
Johnson studied architecture in Paris and then attended the Massachusetts Institute of Technology, graduating in 1910 and returned to Pasadena.
His father would consecrate St. Paul's Cathedral in Los Angeles in 1924, designed by Reginald.
[1] Johnson made a good living in the 1920s designing houses in Montecito and Pasadena.
Johnson designed Rancho San Pedro for Los Angeles as a public housing project in 1939.