Tyrrell, J. A. John Greenless Semple. (English) Zbl 0614.01030 Bull. Lond. Math. Soc. 19, 378-386 (1987). With list of publications. Cited in 1 Document MSC: 01A70 Biographies, obituaries, personalia, bibliographies 01A60 History of mathematics in the 20th century Biographic References: Semple, J. G. PDFBibTeX XMLCite \textit{J. A. Tyrrell}, Bull. Lond. Math. Soc. 19, 378--386 (1987; Zbl 0614.01030) Full Text: DOI