Complex sentence: He was born in Tokyo and graduated from the department of literature of Waseda University and completed his master from the same university in the year 1951 and completed his PhD in November 1983 from Waseda University.
Split into simpler sentences: He was born in Tokyo and graduated from the department of literature of Waseda University and completed his masters degree from the same university in the year 1951. He completed his PhD in November 1983 from Waseda University.