<h1>Speisman, Gerald</h1>
<h2>Article from <a href="https://authors.library.caltech.edu">CaltechAUTHORS</a></h2>
<ul>
<li>Feynman, R. P. and Speisman, G. (1954) <a href="https://resolver.caltech.edu/CaltechAUTHORS:FEYpr54b">Proton-neutron mass difference</a>; Physical Review; Vol. 94; No. 2; 500; <a href="https://doi.org/10.1103/PhysRev.94.500">10.1103/PhysRev.94.500</a></li>
</ul>