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

George Palmer Putnam (September 7, 1887 January 4, 1950) was an American publisher, author and explorer. Known for his marriage to (and being the widower of) Amelia Earhart, he had also achieved fame as one of the most successful promoters in the United States during the 1930s.

Hypothesis: George Palmer Putnam flew with his wife across the world
It's impossible to say