Matthew Bannister on

Dr. Abdul Qadeer Khan, once described as the world’s most dangerous man - but hailed as a hero in his native Pakistan for leading the country’s development of nuclear weapons.

Dr. R. Allen Gardner, the American ethologist who trained a chimpanzee to use sign language.

Beresford King-Smith, who played a key backstage role in the success of the City of Birmingham Symphony Orchestra.

And memories of the long life of Joyce Jackson who has died aged 107.

Interviewed guest: Stephen Maddock OBE

Interviewed guest: Mary Lee Jensvold

Interviewed guest: Umer Farooq

Interviewed guest: Gordon Corera

Interviewed guest: Mary Lee Jensvold

Interviewed guest: Sarah Allatt

Archive clips used: DocsOnline, Nuclear Tango 26/05/2009; AP, Clinton condemns Pakistans Nuclear Tests 28/05/1998; Al Jazeera English, Abdul Qadeer Khan 10/10/2021; Geo News, Funeral prayers for Dr Abdul Qadeer Khan 10/10/2021; WGBH, BBC Horizon - Washoe the Chimp 04/11/1974; YouTube, Unidentified clip of Beatrix and Allen Gardner with Washoe the Chimp 13/02/2009; Sarah Allatt, Private interviews of Joyce Jackson 2021; BBC, Scrapbook for 1924 23/02/1955; British Pathé, Sir Alan Cobham shows how he will refuel in the air 1934; Inter-Pathé History, British Declaration of War 03/09/1939; BBC Radio 4, On The Town - Birmingham 02/01/1980; Central Television, Simon Rattle on the Record 1988.