"Pershing Square Sohn Cancer Research Alliance" . . . . . "Foundation" . "Sohn Conference Foundation" . "To raise money to support medical research, the development of research equipment, and programs to help children with cancer and other childhood illnesses." . . . . "Sohn Investment Conference" . "Ira Sohn Conference Investment Research Conference" . . . . . "Sohn Conference Foundation" . "22nd Annual Sohn Investment Conference" .