Singer's official title, "Head of Work's Sport and Operations," is, in typical Singer fashion, too modest for his accomplishments. His genius in manipulating the laws of aerodynamics and physics - and the laws of racing organizations, were successfully applied to racing long before Porsche's rivals. His creations (RSR, 935, 936, GT1…) overwhelmingly dominated their era.
 
Christophorous' excellent article about Herr Singer's retirement includes his comments about his favorite Porsches.here (pdf)

The latest - Herr Singer retired from Porsche AG. But he has been consulting with various Porsche RSR teams, and has completed an autobiography, with Michael Cotton, of his amazing story of the most winning sports car engineer ever, with 16 LeMans wins! More here.

Michael Cotton's 2003 Update on Norbert Singer, from Porsche Panorama magazine

Michael Cotton's Tribute to Norbert Singer, from 911 & Porsche World magazine.

Speedvisions's Porsche Racing Heritage articles on three of Singer's Projects, the 911 racing variations, the Indy-car 936, and 956/962

Singer's Laboratory at Weissach
    This is an older article from Car and Driver magazine about Porsche's secret think-tank at Weissach, where Singer works.
  
Thanks to Singer Fan Club Member
and World-wide Motor sports Photographer
John Brooks, for this nice shot

Singer's Role Helping Porsche Win - Sells Cars

    Porsche understands we buy Porsches because they win races. Enjoy this short excerpt from an excellent interview of Porsche's Jurgen Barth from 911 & Porsche World magazine by clicking the heading above.
 

Kerry Morse' Interview

    Kerry Morse is the Sport Editor of European Car Magazine. He is also somewhat of an authority on Norbert Singer, and one of the Original Norbert Singer fans (with his own T-shirt, no less!). He provided for us at this link his full, unedited interview of Herr Singer discussing development of the famous 935.
 

The Christophorus Tribute