kaiser learned that poverty has a major effect on life expectancy. before he became involved in funding health care, he was informed that there was a 14-year difference in life expectancy between children born in richest and poorest zip codes. kaiser concluded that too few doctors were available to treat the poorer people. his foundation then donated $62 million to the university of oklahoma to create a school of community medicine at its tulsa campus. the money supplemented a $20 million donation by the schusterman family. the grants reimburse all tuition for students who graduate as doctors and who work for five years in the community.