J. Todd Hoeksema, Senior Research Scientist Solar Observatories Group: HMI the Helioseismic and Magnetic Imager on NASA's Solar Dynamics Observatory Solar Oscillations Investigation - Michelson Doppler Imager Wilcox Solar Observatory W.W. Hansen Experimental Physics Laboratory Kavli Institute for Particle Astrophysics and Cosmology Stanford University Dr. J. Todd Hoeksema Phone: 1 650 723-1506 Cypress C-13 HEPL FAX: 1 650 725-2333 452 Lomita Mall Stanford, CA 94305-4085 E-mail: todd@solar.stanford.edu U.S.A. URL: http://sun.stanford.edu/~todd Office: 466 Via Ortega