No. 38: Madison (Al) and Lila Reetz Self
The couple left the bulk of their estate, $58-million, to the University of Kansas, where they met as students in 1943.
The couple gave more than $218-million to support education, criminal justice, public policy, and other causes.
Mr. Stryker gave more than $43-million to his foundation, which works to combat discrimination against gays and to preserve great apes and their habitat.
No. 28: Alfred and Judy Warrington
The couple pledged $75-million to the University of Florida’s business school.
Ms. Haury left a bequest of about $50-million to the University of Arizona Foundation to establish a program for the environment and social justice.