Steve Dorner developed the Eudora e-mail client in 1988 as a part of his work as a staff member at the University of Illinois at Urbana-Champaign. Eudora was subsequently acquired by Qualcomm in 1991. Dorner also developed a popular online directory/phonebook in the early 1990s commonly referred to as the CSO nameserver.
Dorner received his bachelor's degree in 1983 from the University of Illinois at Urbana-Champaign.
More on [ Steve Dorner ]

Eudora Welty and Eudora E-mail - How Eudora e-mail got its name.
For Inventor of Eudora, Great Fame, No Fortune - Biographical article from the New York Times on Steve Dorner, creator of Eudora. Requires free registration.
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TidBITS: InterviewBITS with Steve Dorner - Interview with the creator of Eudora on the capabilities of and changes in version 4.3.