1804-11. JET. 31-38.] PROFESSOR YOUNG. 247 



you have conferred upon me. I consider this honour both 

 as a flattering mark of your approbation of the unremitting 

 attention which it was my endeavour to pay to the objects 

 of the Institution while I was employed in its service, and 

 as a substantial advantage in giving me access to a 

 collection of books so valuable as that which is now forming 

 in it. For this privilege I cannot show my gratitude better 

 than by endeavouring to make such use of it as to render 

 the publication of my lectures, which I am preparing, more 

 and more worthy of the Institution in which they were de- 

 livered, and fitted to co-operate in its exertions for the 

 advancement and dissemination of mechanical knowledge 



After this time Dr. Young took no part in the 

 progress of the Eoyal Institution. A very short sketch 

 of the remainder of his life, therefore, will be given. 



When between thirty-one and forty-one years of age 

 he used his utmost endeavours to succeed in practice 

 in Welbeck Street. In 1804 he married, and he built 

 a house at Worthing, where he practised in the 

 autumn for sixteen years. In 1807 he tried to become 

 physician to the Middlesex Hospital. In this he failed, 

 but he lectured there on Chemistry, Physiology, 

 Nosology, Practice of Medicine, and Materia Medica. 

 Many of the lectures formed afterwards part of his 

 work on 6 Medical Literature.' 



This year he published his ' Course of Lectures at 

 the Eoyal Institution ' in two quarto volumes. The 

 long delay was occasioned partly from the increase of 

 matter and partly from the difficulty of the engravings. 

 Through the bankruptcy of his publisher, Johnson, he 

 lost the 1,000. he was to receive for his work. The 

 Dean of Ely says of these volumes : ' They form alto- 



