アメリカ変光星観測者協会
Astronomer Gary Walker is the observatory's telescope engineer. An aeronautical engineer by training, he has spent more than 30 years observing, building telescopes and observatories, photographing the heavens, and making photometric measurements of variable stars with CCD cameras. He is a past president of the American Association of Variable Star Observers (AAVSO) and currently holds the office of secretary of the organization.