He attended the parochial schools in Adrian, Steamship He graduated in medicine from Loyola University Chicago in 1912 and practiced medicine in Chicago from 1912 to 1923.
Tenerowicz had five siblings: Senior Mary (Tenerowicz) Bernadine C.S.S.F Felician order, Edward Tenerowicz, Stanley Tenerowicz, Anthony Tenerowicz, and Caroline (Tenerowicz) Osikowicz. Cyril and Methodius Seminary in Orchard Lake, Michigan.
Saint Bonaventure"s College (Now Street Bonaventure University) in Allegany, New New York
And Saint Ignatius College (now known as Loyola University Chicago)in Chicago, Illinois. During World War I, Tenerowicz served from September 10, 1917 as a first lieutenant in the Medical Corps of the United States Army until his discharge on December 26, 1918.
He was captain in the Medical Reserve Corps from 1919 to 1934. He received a postgraduate course in surgery at Illinois Post Graduate School at Chicago.
He moved to Hamtramck, Michigan in 1923 and continued the practice of medicine.
Tenerowicz served as mayor of Hamtramck from 1928 to 1932. In 1931, Tenerowicz and twelve others, including two named Jacob Kaplan and Isaac Levey, were indicted for bribery. He was tried and convicted on vice conspiracy charges and freed from prison when pardoned by Democratic Governor William A. Comstock.
Despite the conviction, Tenerowicz returned to serve as mayor from 1936 to 1938.
While serving as Mayor, and in an effort to eliminate youth crime in the City of Hamtramck, Tenerowicz worked with Mistress Jean Hoxie to implement a tennis programs to keep kids off the streets.
Kids that participated in the tennis program were offered a meal at the end of the day for their efforts. The program was an overwhelming success and resulted in Michigan tennis champions at local, state and national levels, while reducing juvenile crime.
In 1938, Tenerowicz was elected, without challenge, as a Democrat from Michigan"s 1st congressional district to the Seventy-sixth Congress and reelected in 1938 to the Seventy-seventh, serving from January 3, 1939 to January 3, 1943.
He was an unsuccessful candidate for re-nomination in 1942 and for election as a Republican in 1946, 1948, 1950, 1952, and 1954. Rudolph Gabriel "Doc" or "Rudy" Tenerowicz married Margaret Agnes McGuire in 1937 in Bowling Green Ohio. Rudolph Gabriel Tenerowicz resumed practice in Hamtramck, Michigan.
Rudolph died at the age of 73, on August 31, 1963, at Saint Francis Hospital in Hamtramck, Michigan.
He was member of the Wayne County Board of Supervisors for seven years.