[1] Leonard attended Teachers College, Columbia University, and received a master's degree in 1927, followed by his Ph.D..[1] His dissertation was titled "The Use of Practice Exercises in Teaching Capitalization and Punctuation.
"[1] Leonard taught at the College of William & Mary; and at Stanford University in academic administration.
[4] The move allowed for the school to grow and accommodate the post-World War II influx of students, up to 10,000 enrollees.
[5] In order to accomplish this goal, Leonard and students needed to appeal to then-mayor Roger Lapham, which only narrowly won legislative approval.
[4] From 1961 until 1967, Leonard was a professor at the Teachers College, Columbia and worked on the "India Project", which resulted in the publishing of academic periodicals, The Indian Educational Mental Measurement Yearbook, and the quarterly The Journal of Indian Education.