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 (-) TX (1) Facet State City Austin (3) Boulder (1) Fredericksburg (1) Houston (4) League City (1) San Antonio (5) Santa Cruz (1) Seabrook (1) Shavano Park (1) Socorro (1) Waco (1) (-) College Station (1) Facet City Membership Class (-) Full Member (1) Facet Membership Class Division HEAD (1) (-) DPS (1) Facet Division Showing 1-1 of 1 results Mark Lemmon Full Member Affiliation Space Science Institute State/Province TX Country United States