Background
Hubbard was born in Wisconsin, one of four children, to Harvey F. Hubbard (1830–1915) and Anna Hubbard (née Halsted Warbasse) (1839–1938), a schoolteacher.
Hubbard was born in Wisconsin, one of four children, to Harvey F. Hubbard (1830–1915) and Anna Hubbard (née Halsted Warbasse) (1839–1938), a schoolteacher.
His father was seven years old when his family moved to Manitowoc, Wisconsin, becoming one of the first pioneer families there. Hubbard"s wife, Maude C. Hubbard (ca 1879–?) was also born in Wisconsin. They lived in Los Angeles, California after having lived in Spokane, Washington.
Hubbard lectured in the United States and in Europe.
John M. Tutt, Doctor of Medicine He retired from the lecture circuit in 1940.