Ivan Melvin Rittenberg, American lawyer, police captain. Bar: Illinois 1972, United States District Court (northern district) Illinois 1973, United States Court Appeals (7th circuit) 1975, United States Court Appeals (6th circuit) 1976, United States Supreme Court 1980, United States Court International Trade 1981.
Sole practice, Chicago, 1972—1977. President Rittenberg, Krichiver & Buffen Ltd., since 1978. Cadet Chicago Police Department, 1964—1966, patrol officer, 1966—1968, with detective criminal investigations, 1968—1970, sergeant research & development, sergeant detectives & special operations group, 1970—1977.
Lieutenant 23d district field lieutenant, 1977. Mass transit unit watch Commander, 1977—1978. Administrative assistant to superintendent police, interpol coordinator, 1978.
Captain police, since 1981. Alderman, Chicago, 1979—1983.
Member of American Bar Association, Zionist Organization Chicago (vice president), Youth Political Leadership Conference United States, Military Order World Wars, Jewish War Veterans United States (national officer citizenship & patriotism), Israel Bonds, Chicago Police Lts. Association, Chicago Police Captains Association, Chicago Bar Association, Illinois Trial Lawyers Association, Illinois State Bar Association, Illinois Compensation Bar, Decalogue Society, American Legion (legal counsel), American Arbitration Association (arbitrator), United States Trial Bar Association, International Police Association, Shriners, Masons, Phi Alpha Delta, Blue Key.