Complex sentence: Joseph D. FitzGerald, S.J. was the 3rd President of Fairfield University during which the first class of Fairfield University graduated in 1953 and the University was admitted to fully accredited membership in the New England Association of Colleges and Secondary Schools.
Split into simpler sentences: Joseph D. FitzGerald, S.J. was the 3rd President of Fairfield University. During his tenure, the first class of Fairfield University graduated in 1953 and the University was admitted to fully accredited membership in the New England Association of Colleges and Secondary Schools.