Born in Wales and entered the Royal Navy’s training ship Britannia
as a cadet in 1876; he was promoted sub-lieutenant during a three year cruise as a midshipman in the Bacchante
and lieutenant at the end of 1884; in 1897, Evan-Thomas became a commander and was promoted captain after two years in command of the Pioneer
in the Mediterranean; he was appointed to act as temporary naval secretary to the first lord of the Admiralty, Earl Cawdor
, in 1905 and, although he was considered to be very young for this important post, held the office until 1908; in 1910, he became captain of the naval college at Dartmouth and was aide-de-camp to the king
from 1911 until he was promoted to flag rank in 1912; at the outbreak of the war he was second in command of the 1st battle squadron but was transferred to the command of the 5th battle squadron the following year; at the battle of Jutland Evan-Thomas’s squadron acted with the Battle-Cruiser Fleet under the command of Admiral Sir David Beatty
and saw both success and failure as many German ships were severely damaged, whilst several British cruisers were lost; Evan-Thomas was promoted vice-admiral in 1917 and retained command of his squadron until 1918; he was appointed commander-in-chief at the Nore in 1920 and made the decision to retire in 1924; he died in 1928 in Bedfordshire.