Frank J. Kelley

Frank Joseph Kelley (December 31, 1924 – March 5, 2021) was an American Democratic politician and lawyer. He was born in Detroit, Michigan
Kelley was the 50th Attorney General of Michigan from 1961 until 1999. He was the youngest (36 years old) and oldest (74 years old) Attorney General in the state's history. He was nicknamed as the "Eternal General" since he was attorney general for a long time. 
He was the longest serving state attorney general in United States history, until Tom Miller beat his record in 2019.
Kelley died on March 5, 2021 at a nursing home in Naples, Florida at the age of 96.