Filon, Louis Napoleon George Letters to Pearson regarding cover for Pearson's lectures during illness; teaching arrangements at University College; research into Torsion; examinations; Saint Venant's treatment of the problem of flexure; introductions to Cambridge professors; papers prepared by Filon for Pearson; elasticity experiments; investigations on hollow beams; research into the construction of micrometer gauges; plans to sit the Physics B.Sc.; Pearson's investigation into the helical wire problem; returning to work at University College; Filon's work for the British Expeditionary Force during the First World War; and contributions to the Galton Laboratory. 1896-1902