- MathFest, Denver, CO, August 1-4, 2018. AMS-MAA Joint Invited Address, Arlie Petters, Duke University,
*Gravity's Action on Light: A Mathematical Journey*.

Date of Lecture:**Thursday, August 2, 2018** - MathFest, Chicago, OH, August 26-29, 2017. AMS-MAA Joint Invited Address, Douglas Arnold, University of Minnesota,
*Computational Math Meets Geometry*.

Date of Lecture:**Thursday, July 27, 2017** - MathFest, Columbus, OH, August 3-6, 2016. AMS-MAA Joint Invited Address,
**Tara Holm,**Cornell University,*Understanding Symplectic Geometry and Topology through Polytopes and Lattice Points.*

Date of Lecture:**Thursday, August 4, 2016** - MathFest, Washington, DC, August 5-8, 2015. AMS-MAA Joint Invited Address,
**Jeffrey Lagarias**, University of Michigan,*The Arithmetic of the Spheres.*

Date of Lecture:**Thursday, August 6, 2015** - MathFest, Portland, OR, August 6-9, 2014. AMS-MAA Joint Invited Address,
**Sara Billey**, University of Washington,*What is the value of a computer proof in research and teaching?*

Date of Lecture:**Friday, August 8, 2014** - MathFest. Hartford, CT, July 31-August 3, 2013. AMS-MAA Joint Invited Address,
**Judy Walker**, University of Nebraska at Lincoln,*Coding Theory: A Cornucopia of Mathematics*.

Date of Lecture:**Thursday, August 1, 2013** - MathFest, Madison, WI, August 2-4, 2012. AMS-MAA Joint Invited Address,
**David Mumford**, Brown University,*The Synergy of Pure and Applied Math, of the Abstract and the Concrete.*

Date of Lecture:**Thursday, August 2, 2012** - MathFest, Lexington, KY, August 4-6, 2011. AMS-MAA Joint Invited Address,
**Laura DeMarco**, University of Illinois, Chicago,*Polynomial Dynamics: Conjugacy and Combinatorics*.

Date of Lecture:**Thursday, August 4, 2011**