by Associated PressBuzzFeedBuzzFeed Contributor NEW YORK (AP) - Eric Dane, the celebrated actor best known for his roles on "Grey's Anatomy" and "Euphoria" and who later in life became advocate for ALS awareness, died Thursday. He was 53.His representatives said Dane died from amyotrophic lateral sclerosis, known also as Lou Gehrig's disease, less than a year after he announced his diagnosis.