text: Curt Stern , a German scientist who immigrated to the United States before World War II , pointed out in a brief paper in Science that Weinberg 's exposition was both earlier and more comprehensive than Hardy 's .
simplified: Curt Stern , a German geneticist who immigrated to the United States before World War II , pointed out in a brief paper in Science that Weinberg 's exposition was both earlier and more comprehensive than Hardy 's .