[The historical development of foreign market research--as seen through Friedrich Witte's travels to Russia].

Dr. Friedrich Witte (1829-1893), the promotor and owner of the Chemical Works Friedrich Witte, Rostock, has carried out five extensive travels to Russia between 1880 and 1890. Analyzing the preserved travel reports and other materials recorded, it becomes obviously that a qualitative work and development of products, the continuous efforts for supply, the contact with representatives and the travels as to market research as well were already forming a uniformity of the adequate research 100 years ago.