OLSHAUSEN, GEORGE ROBERT. Assistant professor of Theoretical Electrical Engineering, 1907-11. Born Nov. 1, 1868. B.S., Washington Univ., '90; D.Sc., Berlin, '01. Died Aug. 22,1934. (217)

O'REGAN, DANIEL FRANCIS. Instructor in Chemistry, 1893-1912. Born Sept. 1, 1869. B.S., W.P.I., '91. Assistant principal, Worcester Classical High School. (144-236)

OTIS, JOHN PIERCE KATTELL. Instructor in Civil Engineering, 1878-81. Born Mar. 9, 1853. B.S., W.P.I., '73. President, Union Water Meter Co., Worcester. Died Dec. 31, 1904. (95)

PAIGE, ELLEN M. Contributor to scholarship endowment, 1928. Mother of Harry B. Paige, '98. (350)

PARKER, HERBERT. Trustee representing State Board of Education, 1901 03. Attorney-General of Massachusetts. (200)

PARKS, ROBERT SAMPSON. Trustee, 1920-21. Born Mar. 10, 1872. B.S., W.P.I., '93. Chairman of board, Parks Cramer Co., Fitchburg, Mass. (298-301)

PATTILL0, NATHAN ALLEN, JR. Instructor in Economics, 1923-24. A.B., Randolph-Macon, '19; A.M., Harvard, '22. (322)

PEABODY, LEROY ELDEN. Instructor in Mathematics, 1917-19. B.S., Norwich, '15; M.A., Clark, '16

PECK, WALTER ARTHUR. Instructor in Chemistry, 1918-21. A.B., Colgate, '16

PENDELTON, REV. CHARLES H. Ex-officio trustee, 1888-95. Pastor, First Baptist Church of Worcester. (128)

PERVEAR, REV. HIRAM KALLOCK. Ex-officio trustee, 1865-73. Pastor, First Baptist Church of Worcester. (24-38-79)

PETRIE, JOHN MATTHEW. Instructor in Chemistry, 1931-37; assistant professor, 1937-. Born Mar. 17, 1905. B.S., W.P.I., '29; M.S., '31. (361)

PHELON, JOSEPH OLIVER. Instructor in Physics, 1887-96; in Electrical Engineering, 1896-1900; assistant professor, 1901-07; professor, 1907-31. Born Aug. 10, 1863. B.S., W.P.I., '87 & '90; M.M.E., Cornell, '01. Pasadena, Calif. (143-190-217-222-353)

PHINNEY, WILLIAM LEWIS, JR. Instructor in Mathematics, 1920-30; assistant professor, 1930 Born Apr. 3. 1896. B.S., Dartmouth, '20; M.A., Clark, '22. (303)

PIERCE, CLARENCE ALBERT. Assistant professor of Theoretical Electrical Engineering, 1911-31; professor, 1931 Born Nov. 4, 1878. B.S., Wesleyan, '02; M.S., '04; Ph.D., Cornell, '08. (217-361)