He would visit Edwin Hubble at Mount Wilson shortly after his meeting with Slipher.

FORBES: Flagstaff's Role In The Expanding Universe

Vesto Melvin Slipher is one of the key figures often overlooked in histories of modern cosmology.

FORBES: A Giant In Hubble's Shadow

This forced Slipher to devote more and more time away from his research to businesses that could keep the institution running.

FORBES: A Giant In Hubble's Shadow

In the meantime, videos of the presentations about Slipher will be coming online, and I hope to post the links when they do.

FORBES: A Giant In Hubble's Shadow

Slipher (the family name may have been from the German Schleifer ) was born in 1875 in Mulberry, Indiana where he grew up.

FORBES: A Giant In Hubble's Shadow

Skeptical, Slipher worked to take the spectra of other spiral nebulae.

FORBES: A Giant In Hubble's Shadow

But within the limits of what was known, Slipher argued that the nebulae were part of a mass movement of bodies interacting in a far from placid environment.

FORBES: A Giant In Hubble's Shadow

More of Slipher anon, but let me start by sharing this little piece of history (photo above), which I held in my hands during a tour of the Lowell Observatory archives.

FORBES: Flagstaff's Role In The Expanding Universe

Throughout his life Slipher preferred to be called V.

FORBES: A Giant In Hubble's Shadow