Simplify the following text for a Grade 10 native English-speaking person.
Original: The school was renamed in honor of Frank Park Samford , chairman of the Board of Trustees and most generous personal supporter , because there was already a Howard University in Washington , D.C. .
Simplified: The school was renamed in honor of Frank Park Samford , chairman of the Board of Trustees and up to that time , the institution 's most generous individual benefactor . ( In addition , there was also a Howard University in Washington , D.C. . )