Or 
PRESIDENTIAL ADDRESS. 
an electric lantern, is prominently before us whenever lec- 
tures delivered within our Hall are illustrated by slides. 
His three sons studied medicine, the eldest dying before 
the completion of his University course; one son, Dr. Cyril 
(uaife, is a specialist in mental cases in London; Dr. 
Thorold Quaife is an authority on tropical diseases in the 
Malay States. 
PHILIP W. RYGATE, M.A., B.E., Assoc. M. Inst. C.E., L.S., Joined the 
Royal Society in 1893, and was a member until the time of 
his death, which occurred on the 26th June, 1921, in his 
D8th year. Mr. Rygate was one of the leading surveyors in 
New South Wales. He held prominent positions in survey- 
ing and related institutions, and he was of inestimable 
assistance to his colleagues by reason of his sound know- 
ledge of surveying, by his charming personality, and his 
power of mental detachment. He was born in the year 
1862 near Bowenfels, his father being Dr. Rygate, who 
removed shortly afterwards to Wellington, where the 
family remained for many years. He was educated both 
at Newington College and at St. Andrew’s College of the 
University of Sydney. While at Newington he was Captain 
of the First Cricket and the First Football Teams, and at 
the University he played with the First Football Team. He 
entered the Engineering School in 1883, being the first 
student at that institution. He obtained his degree thence 
as B.K. in 1885. In 1886 he won the degree of M.A. A 
little later he received the position of assistant to Mr. J. B. 
Suttor, Government Surveyor. In September 1893 he 
started in private practice as a surveyor in Sydney. He 
was in charge of many important surveys in the city and 
in the country, the most considerable of these being, 
perhaps, the Resumption Surveys rendered necessary by 
the Burrinjuck Reservoir Scheme. After the resignation 
of Mr. G. H. Knibbs from the position of Lecturer in 
