One of the eternal conundrums of interaction and interface design is how to address the needs of both beginning users and expert users with a single, coherent interface.
Alan Cooper
An American software designer and programmer. Widely recognized as the “Father of Visual Basic".
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A door may afford pulling or pushing, depending on which way it opens. When a person can see in advance whether to pull or push the door to open it, that’s a good user interface.
Jakob Nielsen
A former Sun Microsystems Engineer and "The world's leading expert on Web usability" (www.useit.com).
Design Thinking
UI Design
Sometimes, it’s necessary to develop new language to express what we’re trying to achieve. How else could a designer communicate a vision to their team or to investors if the technology doesn’t exist yet?
Alan Moore
A British designer, artist, and entrepreneur. Advised companies such as Hewlett Packard, Microsoft, and Coca Cola.
Communication
Design Thinking
Your objective should always be to eliminate instructions entirely by making everything self-explanatory, or as close to it as possible. When instructions are absolutely necessary, cut them back to the bare minimum.
Steve Krug
A usability consultant (Apple, Netscape, AOL, Lexus) and a highly sought-after speaker on usability design.
UI Design
Usability
UX Design
Beauty comes from conscious reflection and experience. It is influenced by knowledge, learning, and culture. Objects that are unattractive on the surface can give pleasure. Discordant music, for example, can be beautiful. Ugly art can be beautiful.
Donald A. Norman
An American researcher, professor, and author (The Design of Everyday Things). As Apple’s User Experience Architect (90's), he became the first person to have UX in his job title.