This book explores the historical, stylistic and technological relations between six great works of Modern Architecture: the Bauhaus headquarters in Dessau (Germany), designed by Walter Gropius between 1924 and 1925; the houses at the Weissenhofseidlung in Stuttgart (Germany), designed Le Corbusier in 1927; the Saynatsalo Town Hall (Finland), designed by Alvar Aalto between 1949 and 1951; the Orphanage in Amsterdam (The Netherlands), designed by Aldo Van Eyck between 1954 and 1960; the National Gallery in Berlin (Germany), designed by Ludwig Mies Van Der Rohe between 1962 and 1966; the Kimbell Art Museum in Fortsworth, Texas (USA), designed by Louis Kahn between 1966 and 1972.