Here are people who have contributed to development Jackson JSON process 
core component, version 2.x
(version numbers in brackets indicate release in which the problem was fixed)

(note: for older credits, check out release notes for 1.x versions)

Tatu Saloranta, tatu.saloranta@iki.fi: author

Pascal G�linas:
  * Reported [JACKSON-827]: 2.0.0 was accidentally requiring JDK 1.6
    (should still be 1.5)
   [2.0.1]

Ben Gertzfield (bgertzfield@github):
  * Contributed [Issue#49]: Improvements to VersionUtil to more efficiently
    read dynamically generated/embedded version information, to improve
    Android startup time
   [2.2.0]

Klaus Brunner (KlausBrunner@github)
  * Reported [Issue#48]: Problem with URLs, spaces
