Complex sentence: Raymond received an appointment to the faculty in the Department of Chemistry at The University of California, Berkeley in 1967 as an assistant professor, he became an associate professor in 1974, and a full professor in chemistry in 1978.
Split into simpler sentences: Raymond received an appointment to the faculty in the Department of Chemistry at The University of California, Berkeley in 1967 as an assistant professor. He became an associate professor in 1974 and a full professor of chemistry in 1978.