David Blankenhorn

David Blankenhorn (born 1955) is an American political activist who is the founder and president of the Institute for American Values and the co-founder of Braver Angels. He is also co-director of The Marriage Opportunity Council and the author of ''Fatherless America'' and ''The Future of Marriage''. A noted figure in the campaign against same-sex marriage in the United States, his position changed and he voiced support of legalizing same-sex marriage in June 2012. Provided by Wikipedia