I know the first letter of the author's last name:

 
 
de Jong, Rob-Jan
number of models: 1
  • organisation: Vongolo Consulting
  • country: Netherlands
  • born: 1966
 
Drucker, Peter Ferdinand
number of models: 1
  • organisation: New York University
  • country: Austria
  • born: 1909
  • deceased: 2005