John Dwan

John Dwan was an attorney practicing in Two Harbors, Minnesota when he became involved in the organization of the Minnesota Mining and Manufacturing Company in 1902. As one of the founding group, Dwan contributed legal expertise and local business connections to the early company but was not primarily a financial backer. He served in various organizational roles during the company's early years but reduced his involvement as the mining venture failed and the company pivoted to manufacturing. His legal background was valuable in establishing the company's corporate structure and early contracts with mineral suppliers and customers.

John Dwan was one of the five original founders of 3M, contributing his legal expertise and local Minnesota business connections to the venture's organization in 1902. His role was primarily administrative and organizational rather than technical or financial, and he was less central to 3M's survival during its difficult early years than Lucius Ordway, who provided the critical capital infusions. Dwan's primary legacy in 3M's history is his contribution to the company's legal and organizational establishment during its founding period. He represents the entrepreneurial optimism that characterized resource extraction ventures in early twentieth century Minnesota, when mineral discoveries along the Lake Superior shore regularly attracted speculative investment from local businessmen seeking to participate in the region's industrial development.