Ivan Margolius is an author of memoirs and a number of books and articles on art, architecture, engineering, design and automobile history. Born in Prague, Czechoslovakia, he studied architecture there. Following his arrival in London in 1966, he practised at Foster and Partners, Skidmore, Owings and Merrill and Yorke Rosenberg Mardall. His interest in Czech politics, history, technology and design spurred-on his publishing ventures. Since 2000, Ivan is the owner of 1949 Tatra T600 Tatraplan.
John G. Henry was born in Northern Ireland and studied in England. He is a projects manager involved in several important building designs in the United Kingdom and in the Middle East. Since his studies, he has been researching innovative achievements in automobile history.