Date of Birth: 
About Wilhelm Düerkop
- Wilhelm Düerkop (born 30 June 1928 in Halberstadt) is a German glider and motor glider aerobatic pilot and promoter of glider aerobatics in Germany for many years.
- He is known by the nickname Salzmann (meaning "salt man" in German).
- This is because he was a pit foreman in a salt mine.
Read more at Wikipedia