High Quality Content by WIKIPEDIA articles! John Clements Wickham (21 November 1798–6 January 1864) was a naval officer, magistrate and administrator. He was a Lieutenant on HMS Beagle during her second survey mission from 1831 to 1836, which took the young naturalist Charles Darwin on what became the subject of his book, The Voyage of the Beagle. Wickham was then made captain, and Commander of the Beagle on her third voyage which set off in 1837 and conducted various maritime expeditions and hydrographic surveys along the Australian coastline.