which scientist is known for the stone–von neumann theorem and the stone–weierstrass theorem ?
select distinct var_uri where brack_open var_uri dbo_knownFor dbr_Stone–von_Neumann_theorem sep_dot var_uri rdf_type dbo_Scientist sep_dot var_uri dbo_knownFor dbr_Stone–Weierstrass_theorem sep_dot brack_close