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William P. Bidelman (1918–2011)

Published onMay 01, 2019
William P. Bidelman (1918–2011)

William P. Bidelman passed away on 2011 May 3, at the age of 92. He was one of the last of the masters of visual stellar spectral classification and the identification of peculiar stars. His discoveries included barium stars, hydrogen-deficient stars, high-galactic-latitude supergiants, stars with anomalous carbon content, and exotic chemical abundances in peculiar A and B stars. Bidelman was legendary for his encyclopedic knowledge of the stellar literature. He had a profound and inspirational influence on many colleagues and students. Some of the bizarre stellar phenomena he discovered remain unexplained to the present day.

A full-length obituary was published in PASP [1], of which Bidelman was Editor from 1956 to 1961.

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