rosten "The Joys of Yiddish" author "The Joys of Yiddish" author Leo Hyman Kaplan's creator Humorist Leo who wrote "The Joys of Yiddish," 1968 "O Kaplan! My Kaplan!" author H*y*m*a*n K*a*p*l*a*n's creator Creator of Hyman Kaplan Author Leo