On November 20, 1889, American astronomer Edwin Hubble was born. He is best known for his role in establishing the field of extragalactic astronomy and is generally regarded as one of the most important observational cosmologists of the 20th century.
"Relativity is just science's way of flip-flopping. Space or time, mass or energy? Which is it, pick a side [...] And I'm sorry, E equals m c squared? C does not stand for the speed of light, c is for cookie."
J. Khoury, B. Ovrut, P. Steinhardt, und N. Turok. (2001)cite arxiv:hep-th/0103239Comment: 67 pages, 4 figures. v2,v3: minor corrections, references added.