Given the reference text about Bodo Tümmler, who was he?

Tümmler was born in Thorn, West-Prussia, now Toruń, Poland. He entered the 1968 Olympics as the reigning European Champion. The 1500 m final was run at a fast pace and at the start of the last lap the eventual Olympic Champion Kipchoge Keino had already established a substantial lead. Tümmler and his countryman Harald Norpoth were in second and third place but were outsprinted by the world-record holder Jim Ryun on the last lap.[2]

Bodo Tümmler is a middle-distance runner who was born in Thorn, West-Prussia (now Poland).