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 Heliophy (2) Solar System/Planetary Sci (2) Astronomy Educa (1) Galactic Structure & Stellar Populat (1) Galaxy Formation & Evolu (1) Star Formation & Evolu (1) (-) Interstellar Me (1) State AB (1) AL (1) AZ (3) CA (9) CO (1) CT (3) FL (1) IL (1) LA (1) MA (2) MD (4) México/B.C. (1) MI (1) ND (1) NJ (1) NV (1) NY (2) OH (1) ON (1) OR (2) PA (1) TX (3) VA (1) WA (2) WI (2) (-) NM (1) Facet State City Los Alamos (1) Facet City Membership Class Full Member (1) Facet Membership Class Division HEAD (6) DPS (3) HAD (2) SPD (2) LAD (1) (-) DDA (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