(273273) Piwowarski = 2006 OR9 Marcin Piwowarski (1984-2007) was a computer consultant, specializing in flight simulators. In his spare time he loved to do sports. He was a pacifist by conviction, a very talented photographer and played drums in a rock band. He found energy and recovery in nature, on his travels and in astronomy.
A complete set of naming citations of the numbered minor planets is available in the Dictionary of Minor Planet Names, edited by Lutz Schmadel.