The "Telephone Museum" tucked into a cutout in the massive cement pier that supports the 100-inch telescope.

Contact Us

Contact New

Executive Director

Mr. Thomas Meneghini
Voice: (626) 304-0269

Regular Mail

Mount Wilson Institute
P.O. Box 94146
Pasadena, CA 91109


MWI c/o Carnegie Observatories
813 Santa Barbara Street
Pasadena, CA 91101-1232

Telescope Reservation Coordinator

Ms. Shelley Bonus

(424) 289-0325


Private Tour Reservations


STEM Educational Programs

Email: or call Ms. Jessica Rodriguez at (571) 762-5850.

MWI Mountain Operations Office

Mr. Craig Woods
Voice: (626) 440-9016
Fax: (626) 405-9814

Mount Wilson Institute Board of Trustees

Mr. Samuel D. Hale, Chairman & CEO – Century Management
Ms. Linda Van Winkle Deacon – Attorney at Law
Mr. C. Robert Ferguson, Secretary – Attorney at Law
Mr. Scott Hood – First Wilshire Securities
Mr. Michael H. Horner – Tom Sawyer Camps
Mr. Dan Kohne – Producer/FX Cinematographer
Mr. Mike McIntyre – US Forest Service, Retired
Dr. Josh Simon – The Carnegie Observatories
Mr. Timothy Thompson – Jet Propulsion Laboratory, Retired
Mr. Larry S. Webster – Center for High Angular Resolution Astronomy

Emeritus Trustees

Mr. Hugh Downs – ABC News, Retired
Mr. Eugene N. Parker – University of Chicago


Mr. Samuel D. Hale – Chief Executive Officer
Mr. Thomas Meneghini – Executive Director


Mr. Craig Woods – Superintendent

Ms. Magdalena Moran – Assistant Superintendent

Ms. Lauren Manwaring – Manager, Cosmic Cafe

A special note: This new website was launched on 3/5/2017. It is still a work in progress. Please contact the webmaster if you see anything that needs fixing or adding, such as photo credits, spellings, etc. Go to the email form above and scroll down to webmaster.