Career
In 1930, he was appointed Lord Privy Seal, serving until his death on 13 March 1931.
In 1930, he was appointed Lord Privy Seal, serving until his death on 13 March 1931.
31st United Kingdom Parliament. 32nd United Kingdom Parliament. 33rd United Kingdom Parliament.
34th United Kingdom Parliament.
35th United Kingdom Parliament]
Hartshorn was President of the South Wales Miners" Federation, and a member of the National Executive of the Miners" Federation of Great Britain. He was elected as Member of Parliament for Ogmore at the 1918 general election.
He served as Postmaster-General in 1924, made a Privy Counsellor the same year, and became a member of the Simon Commission.