Early education. Krause and Harry Goodwin as teachers at Massachusetts Institute of Technology, Harvard Observatory work before 1900; assistantship at Wesleyan University, association with Edward B. Rosa, Walter G. Cady, and John Van Vleck, work on vector treatment of alternating currents. Joined Lafayette College. Joined National Bureau of Standards (NBS) in 1902, historical data on and description of NBS, influence of Rosa and Julius Stratton, Irving Wolff's work on EMF and R standards, major work at NBS of standardizing electrical units for industry, beginning of his work on capacitance. Ph.D. at George Washington University, faculty members, research on frequency and temperature and variation of condensers; Munich research with Arnold Sommerfeld and supervisors, 1908. Return to NBS, work with J. Howard Dellinger and Harvey L. Curtis; 1910 Conference on electrical standards and silver voltmeters; time at Colby College, teaching, inductance and capacitance work, Wenner's standard unit. Joined Union College faculty in 1920; attended 1931 Faraday Centennial in London. Later life at Union and association with General Electric.