9848560 e77bbe27280532fad2ecb7ec0ab8edc6 gwsolar http://gravatar.com/gwsolar gwsolar http://1.gravatar.com/avatar/e77bbe27280532fad2ecb7ec0ab8edc6 http://1.gravatar.com/avatar/e77bbe27280532fad2ecb7ec0ab8edc6 thumbnail Ken Zweibel Ken Zweibel gwsolar Washington, DC work 2029941965 gwsolar@gwu.edu true http://solar.gwu.edu