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 (6) High-Energy Pheno (6) Supernovae (6) Cosmo (4) Interstellar Me (3) Star Formation & Evolu (3) Astrobio (2) Astronomy Educa (2) Exopla (2) Solar System/Planetary Sci (2) Active Galactic Nu (1) Galactic Structure & Stellar Populat (1) (-) Heliophy (1) State AZ (1) CA (3) DC (1) DE (1) FL (1) GA (1) IA (1) IN (1) MA (5) MD (2) NH (1) NY (1) OH (1) TX (1) VA (1) WA (1) (-) NM (1) Facet State City Los Alamos (1) Facet City Membership Class Full Member (1) Facet Membership Class Division SPD (5) DDA (2) LAD (2) DPS (1) HAD (1) (-) 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