I was born and raised in St. Augustine, FL where I lived with my parents and seven older sisters. At the age of 24, I was involved in a terrible car accident with my friend George. In the near fatal accident we both sustained life threatening injuries. I sustained a spinal cord injury. I was paralyzed from my neck down. My parents were strongly advised to place me into a nursing home because I would need to use life support machines for the rest of my life. Fortunately, my parents brought me home and nursed me back to good health. After 5 years of prayer, sweat and tears, I was able to stand...

This collection of high-quality articles in the field of combinatorics, geometry, algebraic topology and theoretical computer science is a tribute to Jiři Matousek, who passed away prematurely in March 2015. It is a collaborative effort by his colleagues and friends, who have paid particular attention to clarity of exposition - something Jirka would have approved of.

The original research articles, surveys and expository articles, written by leading experts in their respective fields, map Jiři Matousek's numerous areas of mathematical interest.