[8] He returned for the 1917 season and the following spring was named head coach of the Oregon baseball team.
[6] In 1919, Walker led Oregon's basketball team to the Pacific Coast Conference title, defeating California Golden Bears two games to none in a best-of-three championship series.
[15] In 1920, the Eugene, Oregon city council unanimously voted to appoint Walker to fill the unexpired term of Ward 1 councilor William Polders.
[18] He was appointed chairman of the ways and means committee as a freshman and was reappointed for the 1937–38 and 1939–40 legislative sessions.
[22] He did not run for the presidency in 1943, but remained in the legislature and was appointed chairman of the senate tax committee.
[27][28] In 1949, Walker was the primary sponsor of a bill which would make it unlawful to operate a theater without prohibiting the eating of popcorn and peanuts.
Any patron annoyed by someone eating popcorn or peanuts could get thrice the cost of their ticket back and sue for damages if they did not receive the money.