Background
Sonnichsen, Harold Marvin was born on April 4, 1912 in Hancock, Minnesota, United States. Son of Henry Matthew and Mary (Hults) Sonnichsen.
Sonnichsen, Harold Marvin was born on April 4, 1912 in Hancock, Minnesota, United States. Son of Henry Matthew and Mary (Hults) Sonnichsen.
Bachelor, University Texas, El Paso, 1934; Master of Science, Harvard University, 1935; Doctor of Philosophy, Harvard University, 1939.
Chemist, E.I. du Pont Electrochem Department, Niagara Falls, New York, 1939-1944; technical service manager, Industrial Tape division Johnson & Johnson, New Brunswick, New Jersey, 1944-1948; assistant technical director, Permacel division Johnson & Johnson, New Brunswick, New Jersey, 1948-1956; vice president, research director, Permacel division Johnson & Johnson, New Brunswick, New Jersey, 1956-1960; director fiber and saturant, Research W.R. Grace & Company, Cambridge, Massachusetts, 1960-1965; vice president, Precision Technology Products, Perth Amboy, New Jersey, 1965-1975; owner, Her Majesty Sonnichsen & Associations, Hudson, Massachusetts, since 1975.
Fellow American Institute Chemists. Member American Chemical Society, Technology Association of the Pulp and Paper Industry, Sigma Xi, Alpha Chi Sigma.
Married Thelma Ardath Lowenberg, March 11, 1939. Children: Susan Elizabeth Brown, H. Eric.