Born Maria Ludwig Michael Mies and known professionally as Ludwig Mies van der Rohe or simply Mies, this German architect was responsible for such modernist masterpieces as the Barcelona Pavilion and the Czech Republic's Villa Tugendhat. While apprenticing with architect Peter Behrens in the early 1900s, Mies had the opportunity to work with both Le Corbusier and Walter Gropius. As an apprentice, he supervised the construction of the German Empire's Embassy.