American inventor and businessman, when he heard his voice recorded by his first tin foil phonograph.
American business magnate, designer.
Catalan painter, one of the most famous surrealists.
American theoretical physicist, Nobel laureate.
American graphic designer and teacher.
Danish human–computer interaction researcher, named the “guru of Web page usability” and the “king of usability”.
CASE STUDY: In 2010 Jakob Nielsen wrote about iPad usability issues and identified problems with touch points that were too small, issues of discoverability and “swipe ambiguity.” He expected to see more micropayment implementation. In 2011, after one year of iPad's release of third party apps, Nielsen saw dramatic improvements and an increase of ease of use.