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- Portrait of William Holzer, 1880-1900 -
- 1880-1900
- Collections - Artifact
Portrait of William Holzer, 1880-1900
- Portrait of Francis R. Upton, President of the Edison Pioneers, 1918 -
- 1918
- Collections - Artifact
Portrait of Francis R. Upton, President of the Edison Pioneers, 1918
- Portrait of David Cunningham, 1880-1910 -
- 1880-1910
- Collections - Artifact
Portrait of David Cunningham, 1880-1910
- Portrait of William Holzer, 1880-1890 -
- 1880-1890
- Collections - Artifact
Portrait of William Holzer, 1880-1890
- Portrait of Francis R. Upton, 1880-1900 - Thomas Edison recruited talented assistants to his Menlo Park Laboratory to help develop and realize his innovative ideas. In 1878, Edison hired Francis Upton, an American mathematician and physicist. Upton conducted scientific research and performed advanced calculations to convert ideas into workable inventions. Upton continued to collaborate with Edison into the early 20th century, long after the Menlo Park years.
- 1880-1900
- Collections - Artifact
Portrait of Francis R. Upton, 1880-1900
Thomas Edison recruited talented assistants to his Menlo Park Laboratory to help develop and realize his innovative ideas. In 1878, Edison hired Francis Upton, an American mathematician and physicist. Upton conducted scientific research and performed advanced calculations to convert ideas into workable inventions. Upton continued to collaborate with Edison into the early 20th century, long after the Menlo Park years.
- Portrait of Joseph F. "Gumshoe" McCoy, 1900-1920 -
- 1900-1920
- Collections - Artifact
Portrait of Joseph F. "Gumshoe" McCoy, 1900-1920