Walter H. Haas (July 3, 1917 – April 6, 2015) was an American amateur astronomer. He started observing in the 1930s. After the Second World War he founded the

Association of Lunar and Planetary Observers The Association of Lunar and Planetary Observers (ALPO or A.L.P.O.) is an international scientific and educational organization established in March 1947 in the United States by Walter H. Haas, and later incorporated in 1990. ALPO is an organizati ...

(ALPO) and served there as the executive director between 1947 and the mid-1980s. Since then he had been a member of the board of directors as the Director

Emeritus ''Emeritus'' (; female: ''emerita'') is an adjective used to designate a retired chair, professor, pastor, bishop, pope, director, president, prime minister, rabbi, emperor, or other person who has been "permitted to retain as an honorary title ...

. He received several awards for his contributions to astronomy: the Astronomical League Award in 1952, the Amateur Achievement Award of the Astronomical Society of the Pacific in 1994 and the Presidential Award of the

Astronomical League The Astronomical League is an umbrella organization of amateur astronomy societies. Currently their membership consists of over 280 organizations across the United States, along with a number of Members-at-Large, Patrons, and Supporting members. ...

in 2004.

References

{{DEFAULTSORT:Haas, Walter H. 2015 deaths 1917 births Amateur astronomers 20th-century American astronomers 21st-century American astronomers Use mdy dates from August 2011