Coghill was born in Fairbanks in 1925.
In his prior political career, he was best known by many for being the mayor of Nenana in the interior of Alaska for 22 years.
Coghill served in the territorial and state legislatures of Alaska for a number of years.
He was elected to the territorial House in 1952 and again in 1956, representing the 4th District, which encompassed the interior and portions of southwestern Alaska.
After statehood, he served as a senator in the first three state legislatures.
Coghill ran unopposed in 1960, and did not run for re-election in 1964.

He would be once again elected to the state Senate in 1984, and served until he resigned on December 3, 1990 to assume the post of lieutenant governor.
Coghill was also elected to Alaska's constitutional convention, serving as one of the 55 Club (55 members wrote the constitution in 55 days) and his copy of the constitution hangs in Constitution Hall on the University of Alaska Fairbanks campus.
He received an honorary doctorate from the University of Alaska Fairbanks in 2004.
Coghill was born in Fairbanks in 1925. In his prior political career, he was best known by many for being the mayor of Nenana in the interior of Alaska for 22 years. Coghill served in the territorial and state legislatures of Alaska for a number of years. He was elected to the territorial House in 1952 and again in 1956, representing the 4th District, which encompassed the interior and portions of southwestern Alaska. After statehood, he served as a senator in the first three state legislatures. Coghill ran unopposed in 1960, and did not run for re-election in 1964.
He would be once again elected to the state Senate in 1984, and served until he resigned on December 3, 1990 to assume the post of lieutenant governor. Coghill was also elected to Alaska's constitutional convention, serving as one of the 55 Club (55 members wrote the constitution in 55 days) and his copy of the constitution hangs in Constitution Hall on the University of Alaska Fairbanks campus. He received an honorary doctorate from the University of Alaska Fairbanks in 2004.
Jack Coghill