(..includes direct-forerunner organizations of the PSO)
|
1923-1926 |
Arthur F. Kendall |
b.1899; d.1978 |
|
1927-1932 |
Charles Raymond Cronham |
b.1896; d.1969 |
|
1932-1934 |
Charles A. Warren |
b.1875; d. unknown |
|
1935-1937 |
Paul E. Melrose |
b.1884; d.1958 |
|
1937-1951 |
Dr. Russell Ames Cook |
b.1898; d.1955 |
|
1952-1956 |
Richard Burgin |
b.1892; d.1981 |
|
1958-1962 |
Rouben Gregorian |
b.1915; d.1991 |
|
1962-1967 |
Arthur Bennett Lipkin |
b.1907; d.1974 |
|
1967-1975 |
Paul Vermel |
b.1924 |
|
1976-1986 |
Bruce Hangen |
b.1947 |
|
1986-2006 |
Toshi Shimada |
b.1951 |
|
2008-2018 |
Robert Moody |
b.1967 |
Note: Based on new information discovered, some of the above dates reflect corrections to earlier-issued PSO histories.