Who is the REAL Ma Jun?

This video will explore the life of Ma Jun The Mechanical Engineer with information taken from the Records of the Three Kingdoms.
Sources
Chen, Shou (3rd century). Records of the Three Kingdoms (Sanguozhi).
Day, Lance; McNeil, Ian (1996). Biographical Dictionary of the History of Technology. New York: Routledge. ISBN 0-415-06042-7.
Fan, Ye (5th century). Book of the Later Han (Houhanshu).
Needham, Joseph (1986). Science and Civilization in China: Volume 4, Part 2. Taipei: Caves Books, Ltd.
Pei, Songzhi (5th century). Annotations to Records of the Three Kingdoms (Sanguozhi zhu).
Image Sources
South Pointing Chariot Exhibit in the Science Museum in London, England. This conjectural model chariot incorporates a differential gear.
By Andy Dingley - Own work, CC BY 3.0, commons.wikime...
An illustration of a differential between the drive shaft (at bottom right) and driving wheels of an automobile
No machine-readable author provided. 17177 assumed. Own work assumed
Ancient Chinese Loom
www.selvedge.o...
Two types of hydraulic-powered chain pump from the Chinese encyclopedia Tiangong Kaiwu (1637), written by Song Yingxing.