Jodi Ann Bickley explains why she writes lovely letters to strangers in need – about 4,000 so far.

After 65 years working at Waterloo Station, Don Buckley is thought to be Britain’s longest-serving railway worker. He enjoys helping people around the station and is so popular with passengers that one of them, Bernadette Porteous, wrote to tell us all about him. JP Devlin has been to meet him.

Dan Aylward travelled to Lesotho as an economic advisor and ‘accidentally’ set up its national rugby squad.

Carla Valentine’s interest in death and mystery began in childhood with reading Agatha Christie novels. She describes her role as a Mortician and Technical Curator at Bart’s Pathology Museum in London, where she looks after some 5,000 artefacts.

The American Jazz singer and saxophonist Curtis Stigers chooses his Inheritance Tracks: Rikki Don’t Lose That Number by Steely Dan and Something To Love by Jason Isbell.

Producer: Louise Corley

Editor: Eleanor Garland