Ethnicity:
Parents emigrated from the Russian Empire (now Belarus) to Chicago; father in 1903, mother with 3 daughters in 1907.
Leonard was born on July 16, 1915 in Chicago, Illinois, United States. Youngest son of Abraham Mayer and Rose (Turniansky) Karlinsky.
Associate of Arts, Illinois Valley Community College, 1935. Bachelor, University Chicago, 1938. Juris Doctor, Loyola University, Chicago, 1940.
Worked at 7201 Adams (Forest Park, Illinois) specializing in Criminal Law, General Law Semi-retired. Admitted to the bar, 1940.
Active various charitable, political organizations With United States Coast Guard, 1942-1945. Aviation Electronics Technicians. Member Illinois Bar Association, Cook County Legal Assistance Foundation (board directors), National Association Criminal Defense Lawyers, Association Trial Lawyers of America, Decalogue Society Lawyers.
Married Margaret G. Sauer, February 4, 1943. Children: Abraham, David, Rachel, Judith Block, Benjamin.
Met as students at University of Chicago and became lifelong friends. While not close, they continued their relationship often meeting at social, political and charitable events.
