Carl Frederik Tietgen, Danish businessman and philanthropist, founded GN Store Nord (b. 1829)
Carl Frederik Tietgen (19 March 1829 – 19 October 1901) was a Danish financier and industrialist. He played an important role in the industrialisation of Denmark as the founder of numerous prominent Danish companies, many of which are still in operation today. Tietgen notably formed conglomerates, thus several of Tietgen's companies attained monopoly-like status, cementing their durability.Tietgen was a dedicated Grundtvigian, and financed the completion of the Marble Church at his own expense.