Complex sentence: He studied chemistry as an undergraduate at Tufts College, where he was a member of the Pi Lambda Phi fraternity Membership Directory, 2010, Pi Lambda Phi Inc. and in 1934 he had earned his Ph.D. in organic chemistry from Harvard University.
Split into simpler sentences: He studied chemistry as an undergraduate at Tufts College, where he was a member of the Pi Lambda Phi fraternity. In 1934 he earned his Ph.D. in organic chemistry from Harvard University.