Crossrich is Robert C. Richardson IV, Col USAFR (ret) focused on the maintaining
- (2010) The historical accuracy of the Wiki pages of his family history (see Robert C. Richardson jr, Lt Gen USA (deceased) and Robert C. Richardson III, Brig Gen USAF (ret). All Crossrich edits/contributions are based on respected 3rd party tertiary sources, US Military archive based primary sources, and family owned primary sources.
- (March 2012) The historical aspects of the Essex Airpark (W48) airport for the Essex Skypark Association where he flies his SeaRey LSX out of.
- (Dec 2012) The aviation contributions of the Alfred Lawson as he built and demonstrated the first American commercial airliners (Lawson L-2 and Lawson L-4) in 1919 & 1920.
Any questions should be referred to richardsoniv@gmail.com