which scientist is known for the gell-mann and low theorem and the gell-mann–nishijima formula ?
select distinct var_uri where brack_open var_uri dbo_knownFor dbr_Gell-Mann_and_Low_theorem sep_dot var_uri rdf_type dbo_Scientist sep_dot var_uri dbo_knownFor dbr_Gell-Mann–Nishijima_formula sep_dot brack_close