A Milton Glaser sketch for his classic I (heart) NY logo.
1976. Ink and tape on paper envelope, 2 7/8 x 3 5/8″ (7.3 x 9.2 cm), Museum of Modern Art, NYC.
Milton Glaser elsewhere:
Interview talking about the classic logo, on logodesignlove.com
Thoughts on design studios, on davidairey.com
Six minute video: Art is Work, on davidairey.com
Biographical info and links, on logosdesigners.com