Carl Sagan | Carl Jung | Jasper Johns | Carl Orff | Carl Maria von Weber | Carl Lewis | Carl Zeiss AG | Carl Linnaeus | Carl Sandburg | Carl XVI Gustaf of Sweden | Carl Levin | Carl Zeiss | Carl Michael Bellman | Carl Friedrich Gauss | Carl Froch | Carl Perkins | Carl von Clausewitz | Carl Reiner | Carl Hancock Rux | Carl Gustaf Emil Mannerheim | Carl Edwards | Carl Cox | Carl Bildt | Carl Barks | Carl Wilson | Carl Schmitt | Carl Milles | Carl Crawford | Carl Bernstein | Carl Andre |
While in medical school, Llewellyn-Thomas was employed as an Electrical Engineer at the Montreal Neurological Institute where he worked with Carl Jasper and Wilder Penfield, who, at that time were engaged in their pioneering work on mapping the electrical activity of the brain.