Simplify the following text for a Grade 9 native English-speaking person.
Original: Dr Colin MacKenzie ( knighted in 1929 ) set up the Institute of Anatomical Research in 1920 on 78 a of land which had formerly been part of the Coranderrk Aboriginal Reserve .
Simplified: Dr Colin MacKenzie ( knighted in 1929 ) set up the Institute of Anatomical Research in 1921 . It was on 73 a of land which had been part of the Coranderrk Aboriginal Reserve .