Irene became his assistant and later replaced his role as a palaeontologist in the Department of the Interior - receiving half his salary, equipment and office space because she was a woman.
لتصبح إيرين مساعدة له، ومن ثم حلت محله كعالمة حفريات في وزارة الداخلية، حيث حصل على نصف راتبه ومعداته ومساحاته المكتبية لأنها امرأة.