The <a href="https://en.wikipedia.org/wiki/Budd_BB-1_Pioneer" class="extiw" title="en:Budd BB-1 Pioneer">Budd BB-1 <i>Pioneer</i></a> airplane in front of the <a href="https://en.wikipedia.org/wiki/Franklin_Institute" class="extiw" title="en:Franklin Institute">Franklin Institute</a> in Philadelphia, PA.  It was designed by <a href="https://en.wikipedia.org/wiki/Enea_Bossi,_Sr." class="extiw" title="en:Enea Bossi, Sr.">Enea Bossi</a> of the <a href="https://en.wikipedia.org/wiki/Budd_Company" class="extiw" title="en:Budd Company">Budd Company</a>, and was the first stainless steel aircraft ever built.  It has been on display in front of the Franklin Institute since 1935.
<a href="//commons.wikimedia.org/wiki/User:Thisisbossi" title="User:Thisisbossi">Andrew Bossi</a>
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