By F.G.J. Norton
By Royal Society Of Chemistry
By D. O. Cooke
By Borge Bak
By R. Thompson
By H. McKay
By William L. Jolly
By A. K. Barnard
By R. E. Dodd
By Pierce W. Selwood
By H. J. M. Bowen
By Fritz Vogtle
By W. E. Dasent
By Leslie E. Orgel
By Don M. Yost, Horace Russell Jr., Clifford S. Garner
By Chris Smith and Dave Ansell
By F.D.J.Dustan, M.A, M.Sc, D.phil
By Nuffield-Chelsea Curriculum Trust
By Hugh Neill
By John A Barker
By G. F. Liptrot
By Giancoli, Douglas C.
By Patrick Bailey / Sara Shinton
By R Russell
By Drake, Stillman
By Boyce, William E., DiPrima, Richard C.
By Boolos, George S., Jeffrey, Richard C.
By Churchill, Ruel V., Brown, James Ward