No. | Date | Lecturer | Title |

1st | 1978 | R F Churchouse | |

2nd | 1979 | Professor David G
Kendall | |

3rd | 1980 | Professor Roger Penrose | |

4th | 1981 | Dr R W Hiorns | Mathematics
and the Future of Man |

5th | 30 September 1982 | Professor T J
Willmore | An extract from the Lady’s and
Gentleman’s diary |

6th | 22 September 1983 | Dr John H
Conway | String and Mathematics |

7th | 27 September 1984 | Professor C
Ambrose Rogers | Geometry: weird and wonderful |

8th | 19 September 1985 | Professor
Fred Piper | Codes & Ciphers – how to keep
secrets |

9th | 25 September 1986 | Dr Keith
Devlin | Factoring Fermat Numbers |

10th | 29 September 1987 | Dr Robin J
Wilson | The four-colour theorem |

11th | 14 September 1988 | Dr Clive
Kilminster | Euler’s constant; with thoughts on censorship
and an open question |

12th | 27 September 1989 | Professor
Christopher Zeeman | Curves of constant diameter |

13th | 25 September 1990 | Dr Ian
Stewart | Four Encounters with Siepinski’s
Gasket |

14th | 17 September 1991 | Dr Roger
Webster | The Tail of π |

15th | 15 September 1992 | Dr Peter
Neumann | Did Galois deserve to be shot? |

16th | 30 September 1993 | Professor
Frank Leppington | Some problems and paradoxes in
mathematics |

17th | 29 September 1994 | Professor David
Williams | Randomness: The only source of order |

18th | 27 September 1995 | Dr Colin
Wright | Juggling – Theory and Practice |

19th | 16 September 1996 | Professor J
Chris Robson | Sound as a Bell |

20th | 15 September 1997 | Dr Tony
Gardiner | The Nature of Mathematical Ability |

21st | 21 September 1998 | Dr John
Rigby | Okumura’s Double Tiling |

22nd | 27 September 1999 | Dr Tom
Körner | Why are we not all called Smith? |

23rd | 18 September 2000 | Professor
Chris Budd | Why does nature care about rational numbers? |

24th | 24 September 2001 | Dr John
Silvester | Geometry ancient and modern |

25th | 23 September 2002 | Dr David
Acheson | Mathematics, Magic and the Electric Guitar |

26th | 29 September 2003 | Professor Adrian
Smith | Why Detectives and Judges need to understand
probability |

27th | 20 September 2004 | Professor Tim
Gowers | How to specify very very large integers |

28th | 19 September 2005 | Professor Frances
Kirwan | Topology, Geometry and Strings |

29th | 25 September 2006 | Professor Sir
Christopher Zeeman | Gyroscopes and Boomerangs |

30th | 1 October 2007 | Professor Marcus du
Sautoy | The Music of the Primes |

31st | 7 October 2008 | Professor David
Spiegelhalter | How long do we have to wait? |

32nd | 21 September 2009 | Professor James
Davenport | The Mathematics behind the Internet |

33rd | 20 September 2010 | Professor Imre
Leader | Clueless Voting |

34th | 26 September 2011 | Professor
József Pelikán | The early years of the
International Mathematical Olympiad |

35th | 1 October 2012 | Professor Ben
Green | Prime Numbers |

36th | 30 September 2013 | Professor Kevin
Buzzard | Solving equations using geometry |

37th | 25 September 2014 | Professor Bernard
Silverman | Mathematics and Science in the Home
Office |

38th | 21 September 2015 | Professor Adam
McBride | Mathematical Challenges |

39th | 26 September 2016 | Dr Zuming
Feng | From classroom to contest
(slides, short
version of slides available) |

40th | 25 September 2017 | Dr Vicky
Neale | Closing the Gap
(video
available) |

41st | 24 September 2018 | Professor Ursula
Martin | Ada Lovelace 1815–1852: mathematician and
computer pioneer
(video
available) |

42nd | 23 September 2019 | Dr Jeremy
King | The Romanian Polygon Game
(video
available) |

**No event in 2020 because of COVID-19 pandemic** |

43rd | 13 September 2021 | Professor
Imre Leader | Pursuit and Evasion
(video
available) |