Complex sentence: Penner earned a Bachelor of Arts in English (1958) and a masters degree in English from the University of North Texas, where in 1957, he had been inducted into Blue Key, a national honor fraternity.
Split into simpler sentences: Penner earned a Bachelor of Arts in English (1958) and a masters degree in English from the University of North Texas. While at North Texas, in 1957, he was inducted into Blue Key, a national honor fraternity.