Helmut Abt
Kitt Peak National Observatory, Tucson AZ, USA
Juan Manuel Alcalá
Osservatorio Astronomico di Capodimonte, Napoli Italy
Christine Allen
IAUNAM, México D.F., México
Armando Arellano-Ferro
IAUNAM, México D.F., México
Leticia Carigi
IAUNAM, México D.F., México
Rafael Costero
IAUNAM, México D.F., México
David Crawford
Kitt Peak National Observatory, Tucson AZ, USA
Irene Cruz-González
IAUNAM, México D.F., México
Leonid Georgiev
IAUNAM, México D.F., México
Charles Lada
Harvard Smithsonian Center for Astrophysics, Cambridge MA, USA
John Lester
Department of Astronomy & Astrophysics, U of T, Toronto ON, Canada
Omar López-Cruz
Coordinación de Astrofísca, INAOE, Tonantzintla Pue., México
Manuel E. Méndez
Coordinación de Astrofísca, INAOE, Tonantzintla Pue., México
Manuel Pembert
IAUNAM, México D.F., México
Member of Colegio Nacional
Alejandro Cornejo
Coordinación de Astrofísca, INAOE, Tonantzintla Pue., México
Miriam Peña
IAUNAM, México D.F., México
José H. Peña
IAUNAM, México D.F., México
John Percy
Department of Astronomy & Astrophysics, U of T, Toronto ON, Canada
A.G. Davis Philip
Physics Deparment, Union College, Schenectady NY, USA
Arcadio Poveda
IAUNAM, México D.F., México
Member of Colegio Nacional
Elsa Recillas
Coordinación de Astrofísca, INAOE, Tonantzintla Pue., México
Luis Felipe Rodríguez
Centro de Radio Astronomía y Astrofísica, UNAM, Morelia Mich, México
Member of Colegio Nacional
Elena Terlevich
Coordinación de Astrofísca, INAOE, Tonantzintla Pue., México
Silvia Torres-Peimbert
IAUNAM, México D.F., México
Nolan Walborn
Space Telescope Science Institute, Baltimore MD, USA
Alan Watson
IAUNAM, México D.F., México