Josef Wronski was a talented Quidditch player from Poland who played Seeker for the Grodzisk Goblins. He was known for inventing a dangerous Quidditch move called the Wronski Defensive Feint (QA8).
Commentary
Etymology
Josef comes from the Latin name Ioseph and Greek Ιωσηφ (Ioseph), both derived from the Hebrew name יוֹסֵף (Yosef), meaning "he will add" (Behind the Name).
Wronski is a nickname derived from the Polish word wrona ("crow") (Behind the Name).
Notes
Lexicon list of Seekers
From the Web
Writing by J.K. Rowling on Pottermore: History of the Quidditch World Cup
Pottermore feature: Quidditch collection
Harry Potter Wiki: Josef Wronski
Pensieve (Comments)
Tags: athletes dangerous innovation inventors match strategy tactics