Read the following paragraph and determine if the hypothesis is true:

Johan Martin Schroder (born 13 May 1931 in Amsterdam) is a Dutch pilot and founder of Martinair, the second Dutch airline (after KLM) and the first Dutch air charter company. At the founding in 1958 the company was known as Martin's Air Charter (MAC).

Hypothesis: Johan Martin Schroder was born before 1940
Yes