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Samuel Herman Graf

consultant engineer.

Samuel Herman Graf, American consultant engineer. Recipient Award of Merit by American Gas Association, 1959.


Graf, Samuel Herman was born on August 4, 1887 in Portland, Oregon, United States. Son of Samuel E. and Frederika Emille (Schlueter) Graf.


Bachelor of Science, Elec. Engineering, Oregon State College, 1907, Electrical Engineer, 1908, Bachelor of Science, Mech. Engineering, 1908, Mechanical Engineering, 1909, Master of Science, Elec.

Engineering, 1909; Doctor of Science in Engineering, Linfield College, 1959.


Began as teacher, and successively instructor and assistant professor mechanic and experimental engineering, Oregon State College, 1908-1912. Head department experimental engineering, 1912-1920, professor, 1914-1954. Professor mechanics and materials, 1920-1934, professor, head department mechanic engineering, 1934-1950, director engineering research 1927-1944.

Director Engineering Experiment Station, 1944-1954. Consultant; research engineer Portland Gas & Coke Company. Research in safety of appliances, American Gas Association Testing Laboratory, Cleveland.

Consulting engineer, Willamette Valley Project from 1936.


  • Co-author book

  • editor, Gas Engineers’ Handbook, 1934. Contributor articles to technical journals.


Member of the board of trustees Linfield Research Institute, from 1955, Linfield College, from 1959. Member State Board Engineering Examiners, 1927-1949 (representing mechanic engineering), president 1939-1949. Member American Society Mech.

Engineers (past chairman Oregon section, manager 1934-1946, vice president Region VII, 1949-1953), American Society for Testing and Materials (vice president Northwest district 1961-1964). Mason (32 degree, Shriner). Clubs: Triad, Corvallis Engineers (past president).


Married Blanche Ann Edlefsen, August 24, 1920 (deceased).; married second, Violet Fliess, December 5, 1952. Children: Thomas Rexford, Ralf Stefan, Therese Ann, Samuel Edlefsen.

Samuel E. Graf

Frederika Emille (Schlueter) Graf

Blanche Ann Edlefsen

Violet Fliess

Thomas Rexford Graf

Ralf Stefan Graf

Therese Ann Graf

Samuel Edlefsen Graf