Born in 1907 in England, the author graduated 

 in Agriculture from Wye College (University 

 of London) in 1927. After two post-graduate 

 years spent at St. John's College, Cambridge, 

 and the Imperial College of Tropical Agricul- 

 ture, Trinidad on a studentship grant from the 

 Ejnpire Cotton Growing Corporation, he was 

 employed as Assistant Plant Breeder under the 

 Corporation and sent on secondment to the 

 Sudan Government, in 1929. In 1937 he was 

 granted an M.Sc. in Agriculture by the Univer- 

 sity of London and in 1942 he took the Ph.D. 

 and in 1947 the D.Sc. in the same University. 

 He now holds the post of Senior Economic 

 Geneticist to the Etnpire Cotton Growing 

 Corporation and to the Sudan Government. 



