Dori Kürschner

The Hungarian Izidor Kürschner-Szűcs, usually known as Dori Kürschner (or Dori Kruschner in Brazil) was one of the coaches who contributed to the evolution of the modern game in quite a subtle way. Even though he died in 1941, his greatest contribution to football probably came after 1937. As coach of Flamengo he changed the way Brazilians thought about tactics and formations, setting the stage for later triumphs.Kürschner played for MTK Budapest from 1904–1913. This was a succesful period for the club, who were coached by Jimmy Hogan from 1914. 
MTK won the Hungarian League in 1904 and 1907–08, and the cup 3 seasons in a row (1910-12). 
A left half or centre half, Kürschner made his international debut for Hungary in 1907. He won 5 caps over the next 4 years, never being a regular . Kürschner commenced his coaching career in 1918 with MTK. 

1918 MTK  (Hungary)
  Kürschner replaced Hogan as coach at MTK, who were Hungarian champions that season.

1919-21 Stuttgart Kickers  (Germany)
During Kürschner's tenure at Kickers  they won their regional league (Kreisliga Württemberg).

1921 1 FC Nuremberg (Germany)
  Once Kickers were eliminated from the national Championships Kürschner was engaged by Nuremberg and  oversaw their successful defence of the title.

 1921 FC Bayern  (Germany)
Bayern hired Kürschner as the replacement for Billy Townley. 

1922 1 FC Nuremberg (Germany)
When Bayern failed to progress in the national championships  Nuremberg invited him back and he was coach in the Eternal Final. 

1922-23 Eintracht Frankfurt (Germany)

1923-24 FC Nordstern Basel (Switzerland)
Kürschner was Nordstern's first ever full time coach, and he took them into the first division. 

1924 Switzerland (National team)
Switzerland were coached by a Technical Commission made up of 3 members, each representing one of the regions of Switzerland (east, central and west). This was a remarkable triumvirate in which Kürschner served alongside the Englishmen Teddy Duckworth and Jimmy Hogan. Switzerland won the silver medal at the 1924 Olympics.

1924 Schwarz-Weiss Essen (Germany)
Again, he was the first full time coach.

1925-34 Grasshopper (Switzerland)
Under Kürschner Grasshopper came to be highly regarded, with 3 national championships and 4 cup wins. 

1934-35 Young Boys Berne (Switzerland)

1937-38 CR Flamengo (Brazil)
Brazilian football was still tactically naive. 2-3-5 still reigned. Kürschner introduced the WM formation along with European training and preparation methods. 

1939-40 Botafogo (Brazil)