The sudden death of their father on 5 September 1912 brought Douglas and his brother Arthur back to Milwaukee to care for their mother, whose health had deteriorated.
Kematian mendadak ayahnya pada 5 September 1912 membuat Douglas dan saudaranya Arthur kembali ke Milwaukee untuk merawat ibu mereka, terutama mengingat bahwa kesehatan ibu mereka telah memburuk.