Nikola Tesla — aged 34, circa 1890 Photo Credit: By Napoleon Sarony - postcard (radiographics.rsna.org), Public Domain, https://commons.wikimedia.org/w/index.php?curid=26187019
Noam Chomsky — (1977) by Hans Peters / Anefo - Nationaal Archief Photo Credit: CC0, https://commons.wikimedia.org/w/index.php?curid=39862498
Noam Chomsky
(1977) by Hans Peters / Anefo - Nationaal Archief
Richard Feynman — at the Robert Treat Paine Estate in Waltham, Massachusetts, in 1984 Photo Credit: by Copyright Tamiko Thiel 1984 - OTRS communication from photographer, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=44950603
Richard Feynman
at the Robert Treat Paine Estate in Waltham, Massachusetts, in 1984
Robert Burns, 1787 — Photo Credit: By Alexander Nasmyth - nationalgalleries.org, Public Domain, https://commons.wikimedia.org/w/index.php?curid=17632298
John Steinbeck — in Sweden during his trip to accept the Nobel Prize for Literature in 1962 Photo Credit: By Nobel Foundation - Unknown photographer. (According to the Nobel Foundation, this image was donated and it's photographer is not recorded in any records) Public Domain, https://commons.wikimedia.org/w/index.php?curid=7014428
John Steinbeck
in Sweden during his trip to accept the Nobel Prize for Literature in 1962
Albert Einstein — Portrait taken in 1935 in Princeton Photo Credit: By Sophie Delar, photographer; published in 1955 by "unknown press organization" per source - RR Auction and Einstein's World, Public Domain, https://commons.wikimedia.org/w/index.php?curid=23932774