24th January 1929: Charles Nelson of Hoxton in East London has been working as a 'knocker-up' for 25 years. He wakes up early morning workers such as doctors, market traders and drivers. (Photo by J. Gaiger/Topical Press Agency/Getty Images)
24th January 1929: Charles Nelson of Hoxton in East London has been working as a 'knocker-up' for 25 years. He wakes up early morning workers such as doctors, market traders and drivers. (Photo by J. Gaiger/Topical Press Agency/Getty Images)