14 MARCH 1925, Page 17

A LIFE OF MRS. AYRTON.

[To the Editor of the SPECTATOR.]

Sia,1 am engaged in writing the biography of the late Mrs. Hertha Ayrton, nee Marks, the physicist. May I beg the . courtesy of your columns to ask any of your readers who may possess letters or information concerning any period of her life to communicate with Inc as speedily as possible 7-4 am, Sir, &c., 16 John Street, Bedford Row, W.C. 1.

EVELYN SHARP.