Images in A Century of Variable Star Observing: 1911-2010
September 2011: AAVSO members, observers, and friends
August 2011: AAVSO members, observers, and friends
June 2011: AAVSO members, observers, and friends
From the Harvard Center for Astrophysics:
Dear Colleagues,
We are sad to report that Dr. Martha Hazen died on Dec. 23 after a brief battle with acute leukemia. She was 75.
