Clayton Albert Smith, Jr.

Affiliations: 
1959- U.S. Naval Observatory 
Website:
https://baas.aas.org/pub/clayton-albert-smith-1934-1993
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(1934 - 1993)
https://ui.adsabs.harvard.edu/abs/1969PhDT.........7S/abstract
http://articles.adsabs.harvard.edu//full/1969BAAS....1..116S/0000119.000.html C. A. Smith, Jr., has essentially completed the derivation of proper motions for 310 stars in the regions of Taurus and Orion