Named for Fred Merryfield, Merryfield Hall was built in 1908. From 1930 until 1965, Merryfield taught engineering at OSU, and was a founding partner in the consulting engineering form of Cornell, Howland, Hays, and Merryfield (CH2M) Hill, Inc. Much of Merryfield's research focused on water pollution control and turbine development.

https://engineering.oregonstate.edu/all-stories/take-walk-through-history

At its construction in 1908, the central, two-story section of the Mechanical Arts building housed administrative offices for each of the "arts" departments headquartered in the building (Industrial Arts and Mechanic/Mechanical Arts), and rooms for display of student projects. This central section also included a lecture room and dark room. The east wing housed the machine shop, blacksmith shop and stock room, while the south wing housed the woodworking shop, the carpentry shop, the printing office, and another stock room.

Mechanical Arts Building 1908-1934

Industrial Arts Building 1934-1964

Production Technology Building 1965-1978

Merryfield Hall 1978-present

Built 1909, remodeled 1972