Photos show the history of the Boeing 737, from the early days to the grounding of the 737 Max

7:27am PDT - September 14th, 2019    southwest airline - Business Insider

The Boeing 737 was first imagined in 1964, and made its maiden voyage in 1967. In the 55 years since, more than 10 variants of the 737 have flown, and it's become the best-selling commercial airplane of all-time. Following two fatal crashes of the latest mode…