Hazeltine, Martin M. (Martin Mason), 1827-1903,

Brothers Martin Mason Hazeltine (1827-1903) and George Irving Hazeltine (1836-1918) trained in photography in New York City in 1852 and headed to California, where Martin made his name with photography in Yosemite. George moved to Baker County, Or., where he engaged in photography, mining, and public service. George concentrated on studio portraiture and scenic views of Eastern Oregon. Martin made his living and reputation almost entirely in photography, traveling widely in the West from California to Alaska before settling at Baker City in the 1880s.

From the description of George I. Hazeltine and Martin M. Hazeltine photographs [graphic], 1866-ca. 1920 (bulk 1866-1900). (Oregon Historical Society Research Library). WorldCat record id: 54458488