THE HON. ROBERT (1627-1691).-Natural Philosopher and chemist, 7th _s._ of the 1st Earl of Cork, was _b._ at Lismore, Co. Waterford, and _ed._ at Eton and by private tutors, after which he pursued his studies on the Continent. On his return to England he devoted himself to the study of science, especially natural philosophy and chemistry. He wa