A Narrative History of The People of Iowa with SPECIAL TREATMENT OF THEIR CHIEF ENTERPRISES IN EDUCATION, RELIGION, VALOR, INDUSTRY, BUSINESS, ETC. by EDGAR RUBEY HARLAN, LL. B., A. M. Curator of the Historical, Memorial and Art Department of Iowa Volume IV THE AMERICAN HISTORICAL SOCIETY, Inc. Chicago and New York 1931
WILLIAM U. HAMMER, Doctor of Dental Surgery, is a native of Iowa, and for over forty years has been a leading representative of his profession at Atlantic, Cass County.
Doctor Hammer was born in Johnson County, Iowa, October 6, 1872, son of John and Catherine Hammer. His parents were natives of Germany, his father a Bavarian and his mother a native of Wurttemberg. John Hammer came to the United States in the early '50s, and enlisted and served five years in the regular army, including a portion of the Civil war period. He was discharged before the close of the war on account of ill health. He and his wife were married at West Point, New York, his wife having come to this country when fourteen years of age. After the war they moved to Johnson County, Iowa, and lived out their lives there and are buried in that county. The father, who died in 1875, followed the business of stone mason and farmer. Of their eleven children Doctor Hammer and one other son survive. His brother is Charles Hammer, a retired farmer at Iowa City.
William U. Hammer attended country schools and as a youth taught for three years. Part of his education was acquired in the Iowa State Teachers College at Cedar Falls. In 1898 he entered the University of Iowa, dental department, and was graduated in 1901. He first practiced at Grundy Center and since 1907 has been established at Atlantic and is one of the busiest professional men of that city. Doctor Hammer is a member of the Xi Psi Phi dental fraternity, is a Knights Templar Mason, and he and his family are members of the Christian Church. His wife is a past grand officer of the Eastern Star of Iowa.
Doctor Hammer married, August 22, 1900, Miss Vinnie Ream Murphy, of Oxford, Iowa, daughter of J. W. Murphy, a pioneer farmer of Johnson County. Mrs. Hammer is a graduate of the Oxford High School. They have one son, Code L. Hammer.
Code L. Hammer, one of the younger professional men of Atlantic, was born at Oxford, August 14, 1902, graduated from the Atlantic High School in 1920, and took both the liberal arts and dental courses in the University of Iowa. He graduated with the degree Doctor of Dental Surgery in 1925 and remained at the university as assistant demonstrator in the dental school until 1927, when he joined his father in practice at Atlantic. He is a member of the Xi Psi Phi dental fraternity, belongs to the Masonic fraternity and the Presbyterian Church. He married August 22, 1925, Miss Lucille Dufford, of Omaha. She is a graduate of the Atlantic High School and obtained her A. B. degree at the University of Iowa in 1927. She taught school at Omaha before her marriage.