A Journey of the Man A Journey of the Man is a documentary that deals with the ancestry of humankind. It was released in 2003 and runs or 120 minutes. It is important to know where man came from because there are different theories that explain the origin of man. Majority of archaeologists and geneticists believe that life started in Africa with a few thousand individuals. The documentary focuses on the Y-chromosome and how it has been passed from one person to another. This has taken around 59,000 years to get to where we are today. Several mutations have gone through the chromosomes and these are evidenced in the documentary. The world has about six billion people who are spread around several countries.