Filter Results By
Mark Anderson
Amateur Affiliate
Affiliation
Delaware Valley Amateur Astronomers
State/Province
PA
Country
United States
Harry Augensen
Full Emeritus Member
Affiliation
Widener University
State/Province
PA
Country
United States
Fred Erskine
Full Emeritus Member
Affiliation
Naval Research Laboratory Retired
State/Province
PA
Country
United States
Lawrence Ramsey
Full Emeritus Member
Affiliation
Pennsylvania State University
State/Province
PA
Country
United States