Stevenson, Mrs. C.O. (1949, 1 letter) Steward, Dr. Albert N. (1950–1951, 3 letters) Steward, Dr. Morris A. (1949, 3 letters) St. John, Dr. Harold (1954, 1 letter) St. Luru (1951, 1 letter) Stork, Dr. Harvey E. (1948–1957, 30 letters) Stout, Dr. A.B. (1948–1950, 5 letters) Stout, Gilbert (1954, 1 letter) Stoutmeyer, Dr. Vernon T. (1948–1951, 4 letters) Stoyanoff, Dr. N. (1955, 3 letters) Strain, Dr. Harold H. (1949, 2 letters) Strong, Dorothy (1955, 2 letters) Strong, Dr. Leonell C. (1951, 2 letters) Stugard, Burl (1957, 2 letters) Dr. William C. Sturtevant (1954, 2 letters) Sudzuki, Fusa (1949, 2 letters) Sullivan, Jean (1952, 1 letter) Suzuka, Osamu (1950, 2 letters) Swallen, Dr. Jason R. (1956, 2 letters) Swarbrick, Dr. T. (1954–1955, 3 letters) Swarbrict, A.T. (1956, 1 letter) Swenson, S.P. (1949, 2 letters) Symonds, H.E. (1956, 1 letter) Tambyn, Mrs. Colin (1949, 2 letters)