Jakob Nielsen
Born in 1957
useit.com
Jakob Nielsen is a renowned web usability consultant with a Ph.D. in human-computer interaction.
He co-founded the Nielsen Norman Group and previously worked as a Distinguished Engineer at Sun Microsystems.
Nielsen is credited with pioneering the "discount usability engineering" movement and inventing several usability methods, including heuristic evaluation.
He holds 79 U.S. patents related to improving web usability.
Nielsen's contributions to the field include his five quality components of Usability Goals: Learnability, Efficiency, Memorability, Errors, and Satisfaction.
His work has significantly influenced the development of user-friendly interfaces and usability testing methodologies.