John Grimshaw Wilkinson
... that blind botanist John Grimshaw Wilkinson used his tongue to tell the difference between plants?
... that blind botanist <b id="mwCfg"><a href="./John_Grimshaw_Wilkinson" id="mwCfk" rel="mw:WikiLink" title="John Grimshaw Wilkinson">John Grimshaw Wilkinson</a></b> used his tongue to tell the difference between plants?