Meet the man who single-handedly tracks every spaceflight mission ever

For more than 40 years, Jonathan McDowell has tirelessly catalogued the space industry. Now he is planning to retire, and looking to pass on his extensive collection of knowledge

​For more than 40 years, Jonathan McDowell has tirelessly catalogued the space industry. Now he is planning to retire, and looking to pass on his extensive collection of knowledge For more than 40 years, Jonathan McDowell has tirelessly catalogued the space industry. Now he is planning to retire, and looking to pass on his extensive collection of knowledge