Question: Thomas George Sternberg founded the Staples office supply chain with an American reporter and businessman, who founded Fresh Fields, and what other chain?
Sentence (from "Leo Kahn (entrepreneur)"): He is credited as the co-founder of Staples Inc. Kahn is also considered a pioneer of the natural and health food supermarket industry, founding the Fresh Fields and Nature's Heartland chains, which are now part of Whole Foods Market.
Relevant evidence: Yes