In this photograph, nurses are learning how to use a negative pressure ventilator. These ventilators enabled a person to breathe when normal muscle control had been lost or the work of breathing exceeded the person's ability.
<p><span class="deck">THE STRANGE FORGOTTEN LIFE OF AMERICA’S OTHER BEN FRANKLIN, BY AN AUTHOR SO FASCINATED THAT HE’S WRITING A NOVEL ABOUT HIM.</span></p>
<p><span class="deck">You’ve probably never heard of them, but these ten people changed your life. Each of them is a big reason why your world today is so different from anyone’s world in 1954.</span></p>
