Original sentence: Wales became Secretary of the Royal Society's Board of Longitude in 1776.Wales was a member of the 1769-70 expedition to Hudson's Bay to observe the transit of Venus
Edited sentence: Follwing his return, Wales became master of the mathematical school at Christ's Hospital and was elected as a Fellow of the Royal Society in 1776.Wales was a member of the 1769-70 expedition to Hudson's Bay to observe the transit of Venus, becoming the first scientist to spend the winter at Hudson's Bay