Bill Gates philanthropic work. Also in 2010, he was honored with the Silver Buffalo Award by the Boy Scouts of America, its highest award for adults, for his service to youth. In 2002, Bill and Melinda Gates received the Jefferson Award for Greatest Public Service Benefiting the Disadvantaged. He was given the 2006 James C. Morgan Global Humanitarian Award from the Tech Awards. In 2015 Gates, along with his wife Melinda, received the Padma Bhushan, India's third-highest civilian award for their social work in the country. Barack Obama honored Bill and Melinda Gates with the Presidential Medal of Freedom for their philanthropic
Bill Gates 2014. In his second year, Gates devised an algorithm for pancake sorting as a solution to one of a series of unsolved problems presented in a combinatorics class by Harry Lewis, one of his professors. Gates' solution held the record as the fastest version for over thirty years; its successor is faster by only one percent. His solution was later formalized in a published paper in collaboration with Harvard computer scientist Christos Papadimitriou. Gates did not have a definite study plan while he was a student at Harvard, and he spent a lot of time using the school's computers. Gates