John Dobson, an 89 year old with a white ponytail and knack for comedy, is the inventor of the Dobsonian telescope mount, which revolutionized astronomy by making large, inexpensive telescopes and deep space observing available to amateur astronomers around the world.

Unfortunately the movie A Sidewalk Astronomer is not yet available on Netflix. Follow us on Facebook to see when A Sidewalk Astronomer becomes available on Netflix!