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 Galactic Structure & Stellar Populat (3) Exopla (2) Solar System/Planetary Sci (2) Star Formation & Evolu (2) Astrobio (1) Astronomy Educa (1) Heliophy (1) Interstellar Me (1) (-) Galaxy Formation & Evolu (1) State AR (1) CA (2) CT (2) MI (1) PA (1) RI (1) VA (1) (-) MA (1) Facet State City Cambridge (1) Facet City Membership Class Full Emeritus Member (1) Undergrad Student (1) (-) Full Member (1) Facet Membership Class Division HEAD (1) (-) HAD (1) Facet Division Showing 1-1 of 1 results Charles Lada Full Member Affiliation SAO State/Province MA Country United States