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Michael Cronan

Michael Cronan, a San Francisco-based graphic designer and marketing executive who placed his stamp on popular culture when he created the brand names TiVo and Kindle, died on Tuesday in Berkeley, Calif. He was 61.

When Amazon prepared to introduce its first electronic reader in 2007, it turned to Mr. Cronan, who envisioned imagery reflecting the reading experience as an embryonic but rising technology.

Ms. Hibma said in an interview on Friday that in pondering a brand name, Mr. Cronan “wanted to create something small, humble, with no braggadocio,” while choosing an image that “was about starting something, giving birth to something.” He found the name, she said, by likening use of the new e-reader to “starting a fire.”