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Memorial

Rudolf Woltersdorf 1899–1966

Dr. Rudolf Woltersdorf died suddenly of a heart attack on October 5, 1966. A native of Germany, Dr. Woltersdorf was bom on October 24, 1899. He received his PhD in Agriculture from the University of Goettingen in 1930. As a specialist in sugar beets and irrigation, he organized the first sugar beet plantation in Argentina. Later he worked for the Thomas Phosphate Manufacturing Firm in Germany as a soil specialist at experiment stations and laboratories. Besides his scientific work, Dr. Woltersdorf was manager of several large farm complexes. He became interested in dairy science after his arrival in the United States in 1950 on a preference visa as an agricultural expert.

Dr. Woltersdorf devoted the last years of his life exclusively to dairy research on his own herd in Snohomish County, Washington. He studied vitamin D and its relationship to calcium and phosphorus. By improved feeding and breeding he increased milk production for 200 grade Holsteins from 4,580 in 1959, to 7,690 kg per cow in 1966.