Lisa Tuttle
... that science fiction author Lisa Tuttle is the only person to have refused a Nebula Award?
... that science fiction author <b id="mwBr8"><a href="./Lisa_Tuttle" id="mwBsA" rel="mw:WikiLink" title="Lisa Tuttle">Lisa Tuttle</a></b> is the only person to have refused a <a href="./Nebula_Award" id="mwBsE" rel="mw:WikiLink" title="Nebula Award">Nebula Award</a>?