Ludwig Mies van der Rohe (1886-1969) was a pioneering architect known for his modernist approach, emphasizing simplicity and honesty in materials. His notable works include the Farnsworth House and the Seagram Building, which embody his philosophy of 'less is more' by utilizing steel and glass in innovative designs. Throughout his career, he contributed significantly to architecture education, directing the Bauhaus and influencing the American architectural landscape after relocating to the U.S.