LAPLACE 



One of the greatest mathematical astronomers of all time and 

 the originator of the nebular theory. 



Photo: Royal Astronomical Society. 



PROFESSOR J. C. ADAMS 



who, anticipating the great French mathematician, Le Verrier, 



discovered the -planet Neptune by calculations based on the 



irregularities of the orbit of Uranus. One of the most dramatic 



discoveries in the history of Science. 



Photo: Elliott & Fry, Ltd. 



PROFESSOR EDDINGTON 



Professor of Astronomy at Cambridge. The most famous of the 

 English disciples of Einstein. 



