TKomas Young, M.D. F.P.S. 



From the Painting by Sir Thomas Lawrence, P.K.A. 



Sir Hvimphry Davy, Bart., LL.D. P.R.S. 



From the Painting by T. Phillips, R.A . 



ES.S. 



Michael Faraday, D.C.L. LL.D. F.R.S. 



From the nraning by George Richmond, K.A 



John Tyndall, D.C.L. LL.D. F.R.S. 



From the Dra-win by George Richmond, R.A. 



