[by] Thomas Hutchison; with a foreword by John Boyd Orr. by J.S. Marsh ; with a foreword by John Johnston. R. L. Aston, with a foreword by John F. Alcock. Thomas Silk, editor ; foreword by John G. Simon. by Ida Pruitt ; with a foreword by John K. Fairbank by A. R. Stokes. With a foreword by Sir John Randall. by Edgar C. Smith ; with a foreword by P.J. Cowan. by Mendel Sachs ; with a foreword by Clive Kilmister. Thomas M. Masters ; with a foreword by Janice M. Lauer. by Sidney Jefferson ; with a foreword by Henry Seligman.