Complex sentence: His father was Hortenius Chenault a graduate of Morehouse College in Georgia, and a 1939 graduate from Howard University Dental School, who passed the New York State dental exam with the highest score ever recorded as of January 2014.
Split into simpler sentences: His father was Hortenius Chenault a graduate of Morehouse College in Georgia, and a 1939 graduate from Howard University Dental School. Dr. Chenault passed the New York State dental exam with the highest score ever recorded as of January 2014.