Paul W. Merrill

Paul W. Merrill
Born
Paul Willard Merrill

August 15, 1887 (1887-08-15)
DiedJuly 19, 1961 (1961-07-20) (aged 73)
NationalityAmerican
Occupationastronomer
Years active1913–1952
Known forStudying unusual stars, particularly long-period variable stars, using spectroscopy

Paul Willard Merrill (August 15, 1887 – July 19, 1961) was an American astronomer whose specialty was spectroscopy.[1] He was the first person to define S-type stars, in 1922.[2]

  1. ^ "Obituary: Paul W. Merrill". Physics Today. 14 (11): 90. November 1961. doi:10.1063/1.3057264.
  2. ^ Merrill, Paul W. (1922). "Stellar spectra of class S". Astrophysical Journal. 56: 457–82. Bibcode:1922ApJ....56..457M. doi:10.1086/142716.