The popularity of Dad's Army
In the 1970s, Dad's Army regularly attracted more than 18 million viewers, becoming one of the most-watched television programmes of its time.
Royal Mail marked the 50th anniversary of the TV comedy classic Dad's Army with a collection of stamps in 2018, featuring the main characters.
That same year, Lavender cleared up a long-standing mystery from the show during an interview with the Radio Times.
When asking creator David Croft if Uncle Arthur was Pike's father, Lavender said: "He looked at me and said, 'Of course he is!'"