As their “Money and Social Change” class drew to a close in mid-December, 15 Wesleyan students and their professor presented four local non-profit organizations with a surprise gift for the holidays: $10,000 in unsolicited grants. The funds were provided to the class by the Learning by Giving Foundation, established in 2011 by Doris Buffett, Warren Buffett's oldest sister. The foundation aims to promote the study of the nonprofit sector and philanthropy by undergraduate students, giving them first-hand experience in “the art, science and business of philanthropy.” This year for the first time, Wesleyan partnered with the foundation through the service learning…