Janssen, Charles H. (Charles Herman).

Charles H. Janssen apparently arrived in Saint Paul around 1910. He worked as a bookkeeper for James T. Ingersoll Co., dealers in dental supplies (1910). By 1916 he was a "credit man" for Holm & Olson, a St. Paul florist and nursery firm. He later worked as a credit manager and office manager for Michaud Bros., a St. Paul-based wholesale and retail grocery firm (late 1910s and early 1920s).

Janssen became secretary of the St. Paul Retail Grocers Association in 1924. He was secretary-manager of the National Association of Retail Grocers (1927-1934), and editor of its trade publication, the National Grocers Bulletin .

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