Caplan was born in the Russian Empire on March 10, 1895,[1] and in 1905 moved to the United States.
[3] In the early 1920s he was editor of the Boston newspaper The Jewish Leader, which was published in both English and Yiddish.
[2] From 1940 to his retirement, in 1966, Caplan was editor of the Congress Weekly magazine.
[7] In the end of 1943, Caplan replaced Lillie Shultz as secretary to the governing council of the American Jewish Congress.
This biographical article about a print editor of the United States is a stub.