[1] In 1847 Griffith was appointed to Sir Hugh Owen MP in connection with his work as secretary of the Welsh Education Society and went to live in London.

[1] They parted in 1849 and Griffith decided to remain in London where he opened a grocers, first in Greenwich and then in Walworth.

[1] Griffith began contributing articles to the monthly Y Cronicl (The Chronicle) journal, established by his uncle Samuel Roberts (Llanbrynmair).

He later joined the staff of Baner ac Amserau Cymru, the most popular Welsh-language newspaper at the time.

[3] Like the paper's owner, Thomas Gee, Griffith was a keen libertarian and championed radical causes back in his homeland, including the defence of Nonconformist causes.