Public figure
Jack Sumner Silver
American explorer
Jack Sumner is an American explorer. Born 1840.
Common questions
- Who is Jack Sumner?
- Jack Sumner is an American explorer. Born 1840.
- What does Jack Sumner do?
- Jack Sumner is known as explorer.
- When was Jack Sumner born?
- Jack Sumner was born on 1840.
Public life
Silver- Born
- 1840
- Occupations
- explorer
- Also known as
- John Colton Sumner
What we have, and what we might have wrong
This page is assembled from the sources below. Each section carries its own grade. Silver 1 section
- Wikidata, as of 3 Oct 2026. Community-curated knowledge base (CC0)
Last rebuilt 3 Oct 2026. We may be wrong: names get matched to the wrong record, people change jobs, companies change status. What gets seen and reported gets fixed. How grades work.