My masters of thought and action

To build efficient interfaces, one needs thoughts and letters. 

Thoughts define letters: it is the primary occupation that allows a behavioural expert to grow in his work. 

The letter serves the mind and is constituted of knowledge and knowhow that allow one to realise his mind. 

The below sentences trace the framework in which I work with thoughts and letters. 

“Excellence means when a man or woman asks of himself more than others do.”

— Jose Ortega y Gasset

“I owe my success more to the diversity of people I have met than to my intelligence.”

— Linus Pauling.

I would like to thanks these 4 great personalities that inspire me every single day:


  • Leonardo da Vinci who combines science and art. The great pioneer of our profession. Thanks to his endless curiosity, he has observed, analysed, and calculated the ocular guidance of people watching his paintings. An unparalleled master of geometrical and graphical composition.
  • Jef Raskin, atypical personality who combines degrees in maths and philosophy. An extraordinary human being interested in human behaviour as no other, who has invented the foundations of the mind’s ergonomics. His pioneering work in the domain of behavioural sciences has led him to create the very first Macintosh interface. Jef, thanks for all your work! You have left us, but your passion and contributions will remain with us, and will remain a reference to me.
  • Thierry Baccino, a man who has made great contributions to behavioural sciences. He has a PhD in cognitive psychology and is by far the number one in behavioural measurements in Europe. A scientist for whom the analysis of human behaviour, using measures, has become an obsession. Thanks, Thierry, for your groundbreaking work and your presence by my side.
  • John Maeda is an artist and a scientist who is obsessed with simplicity. At the MIT, he and his team have observed and analysed the necessary factors of simplicity. A simple, audacious and remarkable human being. John, your vision of simplicity goes far beyond the principles of common sense. Thanks for your work and see you soon. 

Thanks to all of you who participate day after day in the construction of a new profession that will make the digital life easier for millions of users around the world.


  • Jef never earned his PhD. He studied for one at UCSD but it was in music; he did hold a master’s in engineering from Penn State and BS degree in physics and math with minors in music and philosophy. We often talked about his desire to return to school to get his PhD but he never did it. Instead, he write “The Humane Interface”

  • You’ve identified some fine folks to pay attention to, so now there is an opportunity to link these folks to the other resources that represent them so we can share in your joyful experience of them. For example, Jef’s summary of “The Humane Interface” as a list of rules and principles is on my website.

    What are their books that you recommend?

    Are there Wikipedia entries for each?

    Would you like to form interest groups around any of them and study them more widely or deeply?

    What event would you like to have catalyzed by writing your blog posting of today?

    Do others have links to more about any of these heros?

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