Joseph Abram is a Swiss author and architectural historian who has written widely on modernist architecture. He is a professor at the Ecole nationale superieure d'architecture de Nancy in France. Roger Diener is the principle of Diener & Diener, the architecture firm established by his father, Marcus Diener, in 1948. He has taught at ETH Zurich, where he is a tenured professor for architecture and design, since 1999, and he has been a visiting professor at Harvard's Graduate School for Design, the School of Architecture in Vienna, and the Royal Danish Academy of Fine Arts in Copenhagen. He has won the Medaille d'Or from the Academie Francais among many other awards, and his work and his writings have both been published exensively. Martin Steinmann is an architect and architectural historian. He is a professor of architecture at ETH Zurich and has taught at ETH Lausanne and MIT in Cambridge. He has written extensively on Swiss modernist architecture and particularly on the Ticino region.