Sunday, February 3, 2013
Three papers on Vesto Melvin Slipher...astronomer
"V. M. Slipher and the Development of the Nebular Spectrograph" by Laird A. Thompson
"Slipher and the Nature of the Nebulae" by Ken Freeman
"What Else Did V. M. Slipher Do?" by Joseph S. Tenn
For an introduction...
VESTO MELVIN SLIPHER
Vesto Slipher [Wikipedia]