The Bill & Melinda Gates Foundation’s “Impatient Optimist” blog features a collection of current and past posts in recognition of Father’s Day, observed in the U.S. this year on Sunday, June 16. Included in the series is a post by Doulaye Kone, a senior program officer for sanitation technologies and tools at the foundation, on lessons learned from his father about caring for the most vulnerable (6/14). An older post from 2011, written by athlete David Beckham, a founding member of the Malaria No More U.K. Leadership Council and a UNICEF goodwill ambassador, examines the issue of malaria (6/19/11).