Career
After education at The Oratory School in Edgbaston, Cave matriculated in 1889 and received a Bachelor of Arts in 1893 and an Master of Arts in 1896 at Trinity College, Cambridge. He was a Justice of the Peace for Hampshire in 1906. He was President of the Royal Meteorological Society in the years 1913 and 1914 and again in 1924 and 1925.
In World War I he served as a captain in the Meteorological Section of the Royal Engineers.
On January 11, 1918, he was elected a Fellow of the Royal Astronomical Society.