Member Directory The AAS maintains a membership directory to facilitate member interaction and to support the conduct of official Society business. Search directory for: Filter Results By Clear Filters Type of Science State AB (1) ACT (1) AL (2) AZ (3) CA (13) CO (3) CT (1) DC (1) Drenthe (1) FL (2) IA (1) IL (1) MA (3) MD (8) ME (1) MI (1) MO (2) NC (1) NJ (2) NM (1) NV (1) NY (2) ON (1) OR (1) TX (2) VA (1) VT (2) WA (1) WI (1) (-) IN (1) Facet State City Bloomington (1) Facet City Membership Class Division Affiliate (1) Full Member (4) Graduate Student (3) Undergrad Student (1) (-) Full Emeritus Member (1) Facet Membership Class Division HEAD (3) (-) DDA (1) Facet Division Showing 1-1 of 1 results Haldan Cohn Full Emeritus Member Affiliation Indiana Univ. State/Province IN Country United States