Only son of Charles Rochemont Aikin [1] (1775-1847) - "Little Charles" of *Early Lessons*, written by his aunt, Mrs Barbauld - by Anne, daughter of the Rev Gilbert Wakefield, a well-known scholar. Charles Arthur Aikin was the grandson of John Aikin (1747-1822), the Unitarian doctor and friend of Joseph Priestley, who wrote the *Biographical Memoirs of Medicine in Great Britain* and published a general biography in ten volumes. Charles Arthur was educated at University College School and received his professional training at Guy's Hospital. He married early, and lived at 7 Clifton Place, Sussex Square, where he soon formed a large practice and made an extensive circle of friends. He retired about 1891, and after living for a few years longer in London he went to live with a son at Llandrillo, North Wales, where he died on Feb 11th, 1908, leaving a widow, three sons, and a daughter. [Amendment from the annotated edition of *Plarr's Lives* at the Royal College of Surgeons: [1] See TRACTS DY AIK + see New DNB.]