Farewell, Joe Keller, beloved understander of teapot drips and ponytail sways

Today’s New York Times carries an affectionate obituary of double Ig Nobel Prize winner Joe Keller: “Joseph B. Keller, Mathematician With Whimsical Curiosity, Dies at 93“.

Joe Keller’s curiosity was infectious. One of his students (Mahadevan) also was awarded an Ig Nobel Prize. And one of that student’s students (David Hu) also was awarded an Ig Nobel Prize.

Take a look back at Karen Brown’s appreciation of Joe (teapot/ponytail) Keller.

Improbable Research