Duvalier's image suggests the appearance of Paul Robeson in The Emperor Jones.
De Sève painted, without apparent inked lines, the “watercolor background” (Walker 2010, 100-01).
__________
References:
Walker, Brian. 2010. Doonesbury and the Art of G. B. Trudeau. New Haven: Yale University Press.
Half-title page; list of available books; title page; front matter. One panel reproduced overlarge from interior.
Garry Trudeau was assisted by inker Don Carlton (Alter 1990, 66). Carlton’s association with Trudeau began in the early 1970s, and his responsibilities grew to include lettering of the strip. The association endured for decades (Walker 2010, 30–31).
__________
References:
Alter, Jonathan. 1990. “Real Life with Garry Trudeau.” Newsweek, October 15. Microfilm.
Walker, Brian. 2010. Doonesbury and the Art of G. B. Trudeau. New Haven: Yale University Press.
Opening of article from the January 24, 1986 St. Petersburg Times.