She had planned to work with Curt Stern, who had demonstrated crossing-over in Drosophila just weeks after McClintock and Creighton had done so; however, Stern emigrated to the United States.
O seu plan era traballar con Curt Stern, investigador que demostrou o entrecruzamiento en Drosophila semanas despois de que ela e Creighton fixesen o propio en millo; no entanto, Stern emigrou a Estados Unidos xusto entón.