He’s ruled with absolute power for five decades, forever adding to his list of oracular pronouncements—about producing TV, making comedy, and living the good life.

Shelley Duvall, from left, Jane Curtin, Gilda Radner, Lorne Michaels and Laraine Newman pose backstage at "Saturday Night Live" in 1977. The image is among the items in the Lorne Michaels Collection, an archive the series creator has donated to the Harry Ransom Center at the University of Texas at Austin.