Rebecca K. Johnston was a county extension agent for Oregon State College from 1949 to 1952 and from 1956 to 1958. Johnston was born in 1925, in Marshall County, Kentucky. She received her Bachelor of Science in Vocational Home Economics from Western Kentucky State Teachers College in 1946. She was a member of the National Education Association and the National Vocation Association. Before coming to work at Oregon State, Johnston taught home economics at an Illinois high school. Johnston made the move to Oregon to be closer to her mother, a resident of Grant County. She was hired by Oregon State to work in Crook County at an annual salary of $3,480. She resigned in 1952, but came back to work in 1956, where she was assigned as an extension agent in Malheur County. She resigned in 1958 to accept a position as an extension agent in Alaska.