Born in Narberth, Henry Langen is a well-known campaigner on disabled issues. He attended Narberth Secondary Modern before become a builder. In his twenties the onset of Muscular Dystrophy forced him to give up his building business.

He has owned a number of business in the county and has been closely involved with local politics.

The former Narberth mayor still sits on the town council and is a trustee of Narberth Museum. Henry is also chairman of the Pembrokeshire Access Group and vice-chairman of Disability Wales.