The Trevor Evans Award, established by the Board of Governors in 1992 and first awarded in 1996, is presented to an author or authors of an exceptional article that is accessible to undergraduates and published during the preceding year in *Math Horizons*. The Award is named for Trevor Evans, a distinguished mathematician, teacher and writer at Emory University. The award is $1,000.

Approved by the Board by mail ballot, fall, 1992

Amended at JMM, San Diego, January 8, 2013

## List of Recipients

## 2023

Lara Pudwell

The Hidden and Surprising Structure of Ordered Lists, *Math Horizons*, 29:3 (February 2022) 5–7.

https://doi.org/10.1080/10724117.2021.2002646

## 2022

Seth Colbert-Pollack, Judy Holdener, Emily Rachfal, and Yanqi Xu

A DIY Project: Construct Your Own Multiply Perfect Number! *Math Horizons*, 28:3 (February 2021) 20–23.

doi.org/10.1080/10724117.2020.1849911

## 2021

Cornelia A. Van Cott

The Integer Hokey Pokey,

*Math Horizons*, 28:2, 24-27.

DOI: 10.1080/10724117.2020.1809284

## 2020

Sanaz Aliari Kardehdeh, Bruce Golden, and Eric Oden

Experimental Graph Theory

*Math Horizons*, 27:2, 10-13.

## 2019

Stan Wagon

Resolving the Fuel Economy Singularity

*Math Horizons*, 26:1, 5-9.

## 2018

James Propp

The Paintball Party

*Math Horizons*, Volume 25, Number 2, November 2017, Pages 18-21.

## 2017

Cornelia A. Van Cott

A Pi Day of the Century Every Year

*Math Horizons*, Vol. 23, no. 3, February 2016, pp. 24-27

## 2016

Joshua Bowman

The Way the Billiard Ball Bounces

*Math Horizons*, February 2015

## 2015

Heidi Hulsizer

A 'Mod'ern Mathematical Adventure in Call of Duty Black Ops

*Math Horizons*, February 2014, pp. 12-15.

## 2014

Jordan Ellenberg

The Beauty of Bounded Gaps: A huge discovery about prime numbers and what it means for the future of mathematics

*Math Horizons*, September 2013, pp. 5-7.

## 2013

Margaret Symington

Euclid Makes the Cut

*Math Horizons*, February 2012, pp. 6-9

## 2012

Nathan Carter and Dan Kalman

Harvey Plotter and the Circle of Irrationality

*Math Horizons*, November 2011, pp.10-13

## 2011

Lawrence Brenton

The Adventures of π-Man: Measuring the Universe

*Math Horizons*, April 2010, pp.12-15

## 2010

Pamela Pierce, John Ramsay, Hannah Roberts, Nancy Tinoza, Jeffrey Willert, and Wenyuan Wu

The Circle-Square Problem Decomposed

*Math Horizons*, November 2009, pp. 19-21,31

## 2009

Richard A. Guyer

Radiology Paging a Good Mathematician: Why Math Can Contribute More to Medicine Than You Might Think

*Math Horizons*, April 2008, pp. 5-9

Randy K. Schwartz

The Birth of the Meter

*Math Horizons*, September 2008, pp. 14-17, 31

## 2008

William Dunham

Euler’s Amicable Numbers

*Math Horizons*, November 2007, pp. 5–7

Robert K. Moniot

The Taxman Game

*Math Horizons*, vol. 14, February 2007, pp. 18-20

## 2007

Adrian Rice and Eve Torrence

Lewis Carroll's Condensation Method for Evaluating Determinants

*Math Horizons*, November 2006, pp. 12-15

Robert Bosch

Opt Art

*Math Horizons*, February 2006, pp. 6-9

## 2006

Ronald Barnes and Linda Becerra

The Evolution of Mathematical Certainty

*Math Horizons*, September 2005, pp. 13-17

Stuart Boersma

A Mathematician's Look at Foucault's Pendulum

*Math Horizons*, February 2005, pp. 19-21, 32

## 2005

Robert L. Devaney

Chaos Rules!

*Math Horizons*, November 2004, pp. 11-14

## 2004

Douglas Dunham

A Tale Both Shocking and Hyperbolic

*Math Horizons*, April 2003, pp. 22-26

Hugh McCague

A Mathematical Look at a Medieval Cathedral

*Math Horizons*, April 2003, pp. 11-15, 31

## 2003

Laura Taalman and Eugenie Hunsicker

Simplicity is not Simple

*Math Horizons*, September 2002, pp. 5-9

Philip D. Straffin, Jr.

The Instability of Democratic Decisions

*Math Horizons*, April 2002, pp. 12-14, 28

## 2002

James Tanton

A Dozen Questions about the Powers of Two

*Math Horizons*, September 2001, pp 5-10

Frank A. Farris

The Edge of the Universe

*Math Horizons*, September 2001, pp. 16-23

## 2001

Ira Rosenholtz

One Point Determines a Line – A Geometric Axiom of Choice

*Math Horizons*, November 2000, pp. 20-24

James Tanton

A Dozen Areal Maneuvers

*Math Horizons*, September 2000, pp. 26-30, 34

## 2000

Stan Wagon

The Ultimate Flat Tire

*Math Horizons*, February 1999, pp.14-17

Peter Schumer

The Magician of Budapest

*Math Horizons*, April 1999, pp. 5-9

## 1999

Ravi Vakil

The Youngest Tenured Professor in Harvard History

*Math Horizons*, September 1998, pp. 8-12

## 1998

Tom M. Apostol

What Is the Most Surprising Result in Mathematics?

*Math Horizons*, February 1997, pp. 26-31

Martin Gardner

The Square Root of Two = 1.41421 35623 73095 ...

*Math Horizons*, April 1997, pp. 5-8

## 1997

William Dunham

1996--A Triple Anniversary

*Math Horizons*, September 1996, pp. 8-13

Dan Kalman

A Perfectly Odd Encounter in a Reno Cafe

*Math Horizons*, April 1996, pp. 5-7

## 1996

Joel Chan

As Easy as Pi

*Math Horizons*, Winter 1993, pp. 18-19

Underwood Dudley

Why History?

*Math Horizons*, November 1994, pp. 10-11

Joseph Gallian

Weird Dice

*Math Horizons*, February 1995, pp. 30-31

Alan Tucker

The Parallel Climbers Puzzle

*Math Horizons*, November 1995, pp. 22-24