Walter Haas (July 3, 1917 - April 6, 2015): Tributes and Remembrances

Sometimes astronomy advances thanks to group efforts and sometimes due to the perseverance of a single individual. In the passing of Walter Haas on April 6th, we have lost someone who excelled at both. He died at age 97 of natural causes in Las Cruces, New Mexico, where he had lived for decades. A series of tributes from around the ALPO and the world.