John G.F. Francis
... that John G.F. Francis, who co-devised the QR algorithm for computing the eigenvalues and eigenvectors of matrices, had no idea of the impact his work had made until contacted almost 50 years later?
... that <b id="mwFv4"><a class="mw-redirect" href="./John_G.F._Francis" id="mwFv8" rel="mw:WikiLink" title="John G.F. Francis">John G.F. Francis</a></b>, who co-devised the <a href="./QR_algorithm" id="mwFwA" rel="mw:WikiLink" title="QR algorithm">QR algorithm</a> for computing the <a href="./Eigenvalues_and_eigenvectors" id="mwFwE" rel="mw:WikiLink" title="Eigenvalues and eigenvectors">eigenvalues and eigenvectors</a> of matrices, had no idea of the impact his work had made until contacted almost 50 years later?