Weekly Zoom Social

01 Nov – Scott Kim with “The best Educational Puzzles”

25 Oct – Randy Goodman with “Magic with a Gardner Twist”
18 Oct – “Rediscovering Martin Gardner’s Mathematical Games column from Scientific American”
11 Oct – Nancy Blachman on G4G 2025 Fall Benefit Auction
04 Oct – Scott Kim with “Puzzles in Education, Part 2”

27 Sep – Open Topic
20 Sep – “Rediscovering Martin Gardner’s Mathematical Games column from Scientific American”
13 Sep – “What would Martin Gardner Do?”
06 Sep – Scott Kim with “What I learned by designing fraction games”

30 Aug – Open Session
23 Aug – Alexander Poddiakov with “Circle dances on a chessboard”
16 Aug – Dana Richards with “Martin Gardner and summer camps: Mishiwaka and Chautaqua”
09 Aug – “What would Martin Gardner Do?”
02 Aug – Scott Kim with “7 WAYS TO USE PUZZLES IN MATH EDUCATION”

26 Jul – Susan Goldstine with a Report from recent Bridges conference
19 Jul – “Rediscovering Martin Gardner’s Mathematical Games column from Scientific American”
12 Jul – “What would Martin Gardner Do?”
05 Jul – Scott Kim with “How to Design Fair Puzzles”

28 June – John Miller on ‘Langtominoes’
21 June – Celebration of Mind
14 June – David Kahn with STEM Success: Hope, with a plan!
07 June – Scott Kim on “Classifying Puzzles”

31 May – Peter Renz on “All questions Asked”
24 May – Open Session
17 May – “Rediscovering Martin Gardner’s Mathematical Games column from Scientific American”
10 May – “What would Martin Gardner Do?”04 May – Scott Kim with “Puzzle Structure”

26 Apr – Arthur O’Dwyer on “Harary’s generalized tic-tac-toe, take two.”
19 Apr – Shailesh Nirgudkar “on Harary’s generalized ticktacktoe”
12 Apr – “What would Martin Gardner Do?”
05 Apr – Scott Kim with “7 Techniques for Inventing Puzzles”

29 Mar – Kate Jones with “Pentomino Proliferation”
22 Mar – Dana Richards on “Celebrity Problem Revisited”, “Row and Column Exchanges” and “Pancake Sorting”
15 Mar – Open Topic
08 Mar – WWMG? = What Would Martin Gardner Think?
01 Mar – Scott Kim with “The Art of Puzzle Design, part 1 — why”

22 Feb – Cindy Lawrence about MoMath 2.0: A New Dimension for the National Museum of Mathematics
15 Feb – Tony Mann with “Can you figure out these commercial tricks work?”
08 Feb –  “What would Martin Gardner Do?”
01 Feb –  Scott Kim with “TYPOGRAPHIC PUZZLES”

25 Jan – Kate Jones poetry reading “Penta-Mosalk (Golden Ratio Magic)”
18 Jan – Mark Burstein with “The Literary Englishman and the Scientific American”
11 Jan – “What would Martin Gardner Do?”
04 Jan – Scott Kim with “Pillow Talk”

29 Dec – David Khan on “Switch Back”
22 Dec – Big News
15 Dec – Robert Vallin with “Finding My Way to MG”
08 Dec– Irl Bivens will present “You’re the magician (and the spectator)!”
01 Dec – “Paper & Pencil puzzles”

24 Nov – Rob Eastaway with “Shakespeare’s mathematical games”
17 Nov – “Sunday confession time! “
10 Nov – Mark Setteducati on “Hiding the Math”
03 Nov – Vince Matsko “Paper & Pencil puzzles”

27 Oct – October reflections
20 Oct – John Miller and Arthur O’Dwyer “musings on indexing Martin Gardner columns”
13 Oct – Bob Hearn “G4G Auction Fundraiser”
06 Oct – Scott Kim, “Paper & Pencil puzzles”

29 Sep – Tracy Drinkwater and Jenny Quinn  “Maths Around the World”
22 Sep – Arthur O’Dwyer  “Two-dimensional miscellany”
15 Sep – John Miller “A primitive index of Mathematical Games”
08 Sep – Jim Gardner Martin Gardner’s Connection to Impromptu Magic
01 Sep – Vince Matsko “Paper & Pencil puzzles”

28 Jul – Tony Mann “A surprising number”
21 Jul – Virtual Celebration of Mind
14 Jul – Aurelio Sánchez Estévez “Ilusiones Matemáticas”
07 Jul – Scott Kim “Paper & Pencil puzzles”

30 Jun – John Miller “Iterate That!”
23 Jun – Adam Atkinson “A collection of not-really-medieval poetry in French and German”
16 Jun – Skona Brittain  “A Collection from the Collection of Collections”
09 Jun – Colm Mulcahy “Low Down Triple Dealing effect” published online by the MAA
02 Jun – Vince Matsko “A new equation-building puzzle called Octatiles”

26 May – Roderick Kimball “Puzzle Making”
19 May – Dana Richards  “Martin and Sherlock”
12 May – Conjuring: Your fave trick!
05 May – Vince Matsko’s Pencil and Paper Puzzlers

28 Apr – Alexandre Muñiz  on A Simple Number Repartition Game
21 Apr – Virtual Celebration of Mind
14 Apr – Kate Jones on  Game of Solomon
07 Apr – Scott Kim will be presenting some of his own favorite puzzles, and we’ll be solving them as a group. You can find puzzle mats here

31 Mar – Scott Kim with “If math is a game, how do you play?”
24 Mar – Erika Roldan will lead “Fence Challenge: A citizen Science project based on extremal combinatorics”
17 Mar – St Patrick’s Day Special: “Martin Gardner, Victor Meally and Owen O’Shea” Colm Mulcahy will share some tales of these two long-term unlikely Irish correspondents of MG’s
10 Mar – Joe M Turner on “Martin Gardner and Friends” issue of Jeff Busby’s ARCANE magazine; Issue 14; October 21, 1995
03 Mar – Vince Matsko’s Pencil and Paper Puzzlers

25 Feb – G4G15 What you saw and what you wish you had seen
18 Feb – Kate Jones will speak about a topic Martin Gardner often wrote about in his Scientific American column, pentominoes
04 Feb – Vince Matsko’s Pencil and Paper Puzzlers

28 Jan – Rod Kimball “A discussion of some mathematical ideas that can be used to solve Path Puzzles”
21 Jan – Virtual Celebration of Mind
14 Jan – Jim Gardner! On Conjuring
07 Jan – Vince Matsko’s Pencil and Paper Puzzlers

29 Dec – Fun Word Curiosities
24 Dec – Gordon Lessells “new type of word game invented just 10 days ago”
17 Dec – REDISCOVERING MARTIN GARDNER’S MATHEMATICAL GAMES COLUMN FROM SCIENTIFIC AMERICAN
10 Dec – Matt Baker is speaking about his presentation on Penn & Teller
03 Dec – “Favorite G4Gn exchange gifts and ideas for new exchange gifts”

26 Nov – Nancy Blachman “Broadening the diversity of G4G”
19Nov – Jorge Nuno Silva “Martin Gardner wrote about Hex, the connection game invented by Piet Hein and John Nash in 1957! Hex has many mathematical connections, some very surprising! We will go through his article and connected material.”
12 Nov – Érika Roldan GAMIFICATION
05 Nov – Vince Matsko “Pencil & Paper Puzzlers”

29 Oct – Tracy Drinkwater “Math Haunted House happening from Oct. 27-31”
22 Oct – ET Trigg Martin’s Aug 1977 column: “A new kind of cipher that would take millions of years to break”
15 Oct – Érika Roldan GAMIFICATION
08 Oct – Skipped
01 Oct – Vince Matsko “Pencil & Paper Puzzlers”

24 Sep – Katie LaSeur on the G4G15 Gift Exchange
17 Sep – Dana Richards the new Martin Gardner bibliography!
10 Sep – Nancy Blackman “Plans for live fundraising auction at G4G15 at the Ritz
03 Sep – Vince Matsko “Pencil & Paper Puzzlers”

27 Aug – G4G board members announcements regarding G4G15 and introduce a new board member.
20 Aug – Adam Atkinson “Fallacious geometric proofs” from the April 1971 Mathematical Games column.
13 Aug – “Musings on MoMaths MOVES conference from earlier this week”
06 Aug – Vince Matsko “Pencil & Paper Puzzlers”

30 Jul – “Views from Bridges.” Some highlights from Halifax this week
23 Jul – Tony Mann “A favourite from Gardner”
Jul 16 – Scott Kim “Rediscovering Martin Gardner’s Mathematical Games column from Scientific American”
Jul 09 – Arthur O’Dwyer “Congruent partitions of the hat”
Jul 02 – Vince Matsko “Pencil & Paper Puzzlers”

Jun 25 – Yossi Elran “Hat flexagons and other bits and pieces…”
Jun 18 –  Scott Kim “Turning math into a game”
Jun 11 – Erika Roldán “Gamification”
Jun 04 – Celebrating the Spectre Tiling hosted by Bob Hearn

May 28 – Scott Kim “Let’s discuss Grant Sanderson’s talk “Math’s Pedagogical Curse”
May 21 – Virtual Celebration of MInd
May 13 – Érika Roldan “Gamification”
May 06 – Vince Matsko “Pencil & Paper Puzzlers”

Apr 30 – “The Einstein Hat one month later”
Apr 23 – Cesco Reale on “Connections between maths and languages”
Apr 16 – John Miller on “The Unexpected Indictment”
Apr 23 – Cesco Reale on “Connections Between Maths and Languages”
Apr 09 – Des MacHale on The Poetry of George Boole
Apr 01 – Vince Matsko “Pencil & Paper Puzzlers”

Mar 26 – Celebrating the Ein Stein
Mar 18 – “Grave Matters: Glimpses of Gauss (and many others) in Göttingen”
Mar 11 – Jim Henle “Disccusion of an Art”
Mar 04 – Vince Matsko “Pencil & Paper Puzzlers”

Feb 25 – Remembering David Singmaster
Feb 18 – ET Trigg on Infinity
Feb 11 – Looking back at the Recreational Math Meeting in the Azores (part 2)
Feb 04 – Looking back at the Recreational Math Meeting in the Azores (part 1)

Jan 28 – Recreational Mathematics Colloquium 7 | Gathering 4 Gardner Europe
Jan 21 – following Virtual CoM presentation
Jan 14 – “The recent winter math meeting in Boston”
Jan 07 – ET Trigg “Experiencing Wikipedia

31 Dez – No Themes meeting due to New Year
24 Dez – No Themed meeting due to Christmas
17 Dec – “Finding support for G4G (years end fundraising!)”
09 Dec – David Kahn “Introduction to the game of Go”
02 Dec – “Highlights of November’s MathsJam in the UK “

26 Nov – “2022 Gardnereque things we are thankful for”
19 Nov – Christophe Fouquet “A method to memorize the color of 12 playing cards in less than 3 seconds”
12 Nov – Alexander Poddiakov “Gardner, Cardano or the unknown mathematician of antiquity?”
05 Nov – Ann Schwarz “The Accidental Flexagon”

29 Oct – Nancy Blachman “Special Presents for Holidays and Other Occasions and Special Treats for Halloween”
22 Oct – No theme
15 Oct – Katy Franz “Water color tour of the Archimedean tilings of the plane”
08 Oct – “Magic in the movies: the good, the bad, and the silly”
1 Oct – “Math in the movies: the good, the bad, and the silly”

24 Sep – Colin Wright “In a circle in a triangle: some odd connections.”
17 Sep – Paul O’Malley “The curse of knowledge vs establishing a foot on a ladder. Conveying information problems for each side.”
10 Sep – Robert Fathauer “Math-inspired Ceramic Sculpture”
3 Sep – Fernando Blasco “Calendars. Another view of Mathematical Carnival”

Aug 27 – Alexandre Muñiz “Bending Polyominoes”
Aug 20 – Carole Rankin “Tatting: Making Lace from Knots”
Aug 13 – “Bridges, MathFest, MOVES recaps: come to share what you enjoyed at the three recent conferences, or come to find out what you missed!”
Aug 06 – Adam Atkinson “Another multi-lingual word game”

Jul 30 – Prospect of the October G4G Fundraiser Auction
Jul 23 – “Remembering Jerry Farrell”
Jul 16 – ”Remembering Ken Knowton”
Jul 09 – Nicole Dieker “My forthcoming philosophy book, WHAT IT IS and WHAT TO DO NEXT”
Jul 01 – Scott Kim “Update on math education work”

Jun 25 – Dana Richards “Some letters from famous people to Martin”
Jun18 – David Plaxco “How Permutations and Commutators Can Be Used to Generate Rubik’s Cube Algorithms” 
Jun 11 – “First explorations of the G4G14 gift exchange bag”
Jun 04 – Alexandre Muñiz “The Physical Exchange: How to improve your experience and that of your giftees.”

May 28 – “Archiving past G4G meetings’ gift bags”
May 21 – following Virtual CoM presentation
May 14 – Colm Mulcahy “Visiting Martin Gardner in his final years”
May 07 – Records lost

Apr 30 – Records lost
Apr 23 – “Other features of Gather.Town”
Apr 16 – “Looking back on G4G14 last week”
Apr 09 – Gathering 4 Gardner 14 happening live
Apr 02 – “In-person G4G14 and Online G4G14″

Mar 26 – ET Trigg “Writing Wikipedia pages”
Mar 19 – Scott Kim “Popularizing Recreational Mathematics” (“I’m interested in action, not just sitting around and talking about it.”)
Mar 12 – Tracy Drinkwater “Seattle Universal Math Museum”
Mar 5 – Nancy Blachman “Looking past G4G14 to the 2022 G4G Online Auction”

Feb 26 – Joanne Growney “Math & Poetry”
Feb 19 – “The hybrid G4G14”
Feb 12 – “The hybrid G4G14”
Feb 5 – Christian Lawson-Perfect “The Aperiodical”

Jan 29 – Nicole Dieker “Quantifying Practice” (how to learn the most in the fewest repetitions)” Jan 22 Mark Burstein “Annotating and Alice”
Jan 15 – Scott Kim “Popularizing Recreational Mathematics” (“I’m interested in action, not just sitting around and talking about it.”)
Jan 8 – Vickie Kearn “Book Authors & Publishers”
Jan 1 – Nancy Blachman “what new things G4G should do in 2022”

Dec 25 – Nancy Blachman “my 2021 projects” Nancy Blachman wants to hear what y’all have been up to this year!
Dec 18 – Jess Sklar, Bronna Butler & Kim Roth “Mathemalchemy”
Dec 11 – Robert Vallin & David Plaxco “G4G & Social Media Reach”
Dec 4 – Joe Turner, Colm Mulcahy “Card Magic”

Nov 27 – Michael P Hearn “Frank Baum writing”
Nov 20 – Colm Mulcahy “How to Attract Donations to G4G”
Nov 13 – No Formal Theme
Nov 06 – “Mathematics education”