Space Flight and The Peril of Boiling Blood

Here are a could more photos from my Dad’s files for a 1958 story about the U.S. manned space flight program.  There were clearly a lot of  worrisome possibilities in going into space, including the danger of rapid depressurization.  So the preliminary testing–and the press demonstrations–were elaborate.  This was a visual of what happens when the blood boils:

Loss of pressure = boiling blood

This is my dad’s proposed caption:

You go first.  One way to minimize the risk for human pilots was to try it on monkeys first:

Space monkey

tktkt