Bill Moggridge

William Grant Moggridge, RDI (25 June 1943 – 8 September 2012) was a British industrial designer and co-founder of the Silicon Valley-based design firm IDEO. He helped design what was arguably the first laptop computer, the GRiD Compass. He was in favour of user-centered design process in product development cycles and also worked towards popularizing interaction design as a mainstream discipline.
Moggridge was the author of "Designing Interactions", published in October 2006. 
He was also involved in design education in the United Kingdom and the United States; teaching at the Royal College of Art, the London Business School and Stanford University.