Invitations to the lecture and celebration are sent to people
typically including team members and their families and volunteers who
have been involved in training and selection during the year.  A
number of schools will be invited, based on participation in senior
competitions.
| 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) | 
|---|
| 44th | 26 September 2022 | Professor Sir
    David Spiegelhalter | Trying to explain the maths of the
    pandemic
    (video
    available) | 
|---|
| 45th | 25 September 2023 | Professor
    Joan Lasenby | An Algebra of Geometric Objects…and
    how to use it in Maths, Physics and Engineering
    (video
    available) | 
|---|
| 46th | 23 September 2024 | Professor
    Nilanjana Datta | Entropy – ubiquitous, engimatic
    & essential
    (video
    available) | 
|---|
| 47th | 22 September 2025 | Professor
  Oliver Johnson | Group Testing: Finding Needles in
  Haystacks (slides
  available) | 
|---|