Edwin Pope Thayer (December 15, 1864 in Greenfield, Indiana[1] – February 1, 1943), American politician.

After his service in the war, Thayer was a colonel in the National Guard for twelve years.

[1] After the death of the former Secretary of the Senate George Anderson, Edwin Thayer was nominated by a friend, Jim Watson.

[1] After discovering an original copy of the Monroe Doctrine Edwin Thayer became interested in the preservation of old Senate records.

[1] In 1932 the Republican Party lost control of the Senate leading Thayer to lose his job as secretary.