


GRADUATES CLASS OF 1907 169 

Colin C. Robertson 
Care of Forest Department, Pretoria, South Africa 
Colin Charles Robertson was born November 1, 1884, in Haileybury 
College, Hertfordshire, England, the son of James Robertson (died in 
1903), a clergyman in the Church of England, master at Rugby and 
Harrow Schools and headmaster of Haileybury College, and Constance 
Elizabeth (Wilson) Robertson. On his father’s side he is of Scotch, 
and on his mother’s of English ancestry. He has three brothers: A. J. 
Robertson, M.A. Cambridge University; M. Robertson, M.A. Oxford 
University; and D. H. Robertson, B.A. Cambridge University; and two 
sisters: S. M. Robertson and G. C. Robertson. 
He attended the Rugby School in 1902, and from February, 1903, to 
June, 1905, was a member of the Forestry Department in Orange Free 
State, South Africa. 
He is unmarried. 
From October, 1907, to March, 1912, Robertson was assistant 
conservator of forests in Orange Free State, and since April, 
1912, when the various forest departments in South Africa were 
reorganized into one Forest Department, he has held the position 
of research officer at the office of the chief conservator of 
forests, Pretoria, South Africa. 
He is a member of the Church of England. He is a member 
of the South African Association for the Advancement of Sci- 
ence, of which he was a member of the Council in 1911-12, the 
Philosophic Society of Orange Free State, of which he was 
secretary in 1911-12, the Royal Colonial Institute and the Old 
Rugbeian Society. 
He has published: Farm forestry in Orange Free State, Bull. 
Forest Department, South Africa; Some suggestions as to prin- 
ciples of the introduction of exotic forest trees, Jrl. S. African 
Ass'n for Adv. of Sc. 
David N. Rogers 
Quincy, Calif. 
David N. Rogers was born April 7, 1882, in Patten, Maine, the son 
of Luther B. Rogers and Mary E. (Barker) Rogers. He has three 
brothers: Edwin S. Rogers, Lore Alford Rogers, B.S. University of 
Maine ’96, and graduate student at the University of Wisconsin, and 
