According to Wikipedia,
Gustaf Wilhelm Hammar was a Swedish-born American experimental physicist. He was the eldest of six children of Anders Vilhelm Hammar and Elin Christina Hammar . He emigrated to the United States in 1913, attended Bethel University in St. Paul, Minnesota, and by 1920 was married and living with his wife, Louise , in King County, Washington.
Gustaf Wilhelm Hammar is affiliated with the following schools: