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 GRBs (9) High-Energy Pheno (9) Supernovae (9) Active Galactic Nu (6) Cosmo (6) Galaxy Formation & Evolu (4) Star Formation & Evolu (4) Clusters of Galaxies/Large-scale Struc (3) Astronomy Educa (2) Galactic Structure & Stellar Populat (2) Interstellar Me (2) Astrobio (1) Exopla (1) Solar System/Planetary Sci (1) (-) Heliophy (1) State AZ (1) CA (1) DC (1) FL (1) GA (1) IA (1) MA (4) MD (1) NY (1) OH (1) VA (1) (-) NM (1) Facet State City Los Alamos (1) Facet City Membership Class (-) Full Member (1) Facet Membership Class Division SPD (4) DPS (3) LAD (3) DDA (2) HAD (2) (-) HEAD (1) Facet Division Showing 1-1 of 1 results Ka Ho Yuen Full Member Affiliation Los Alamos National Lab State/Province NM Country United States