Einstein - The Great Scientists Keywords: Einstein - The Great Scientists , portrait , Einstein , theory of relativity , scientist , theory of quantum mechanics , relativity , quantum mechanics , physics View Portfolio icon Share Facebook Twitter Whats App Pinterest Description -- Art Number 25889 Artwork Title Einstein - The Great Scientists Artist Name Nency Bhingradiya Medium Pencil Sketch on Paper Size 0 x 12 x 8 inches (0 x 30.48 x 20.32 cm) Information Einstein is best known for developing the theory of relativity, but he also made important contributions to the development of the theory of quantum mechanics. Relativity and quantum mechanics are together the two pillars of modern physics.