Is Mies van der Rohe famous for international style?

Yes. Although he didn't restrict himself to that particular architectural style, Mies van der Rohe is famous for the international style. His work and buildings created by his students and followers heavily influenced the movement. You can see hallmarks of the style in the simplicity of his work, as well as in his use of steel and plate glass construction materials. You'll find a range of Mies van der Rohe furniture on 1stDibs.