DR. J. W. L. GLAISHER died on Dec. 7, 1928, at the age of eighty years. At the time of his death he was the senior among the actual fellows of Trinity College, Cambridge; was the senior member of the London Mathematical Society; and was almost the senior in standing among the fellows of the Royal Society and the fellows of the Royal Astronomical Society. In his prime he ranked as one of the recognised English pure mathematicians of his generation, pursuing mainly older subjects by methods that were direct and simple. Throughout his life he was devoted to astronomy, chiefly in its mathematical develop ments. In the later part of his life he attained high rank as an authority on pottery, of which he had made a select collection, famous and invaluable.