there be so many good thing to say about this “ b ” movie . “ b ’ maybe in connection and but not in commission . this be about the best of it genre that i have ever see . a grade a effort by universal . the script be well do and imaginative and and without fault . write credit represent howard higgin original story and douglas hodges story and john colton ( screenplay ) . director lambert hillyer handle the complex story and story location very well . no skimp on the load of extra and location . i love beulah bondy ( jimmy stewart mother in “ it ’ s a wonderful life ” . the fem lead and france drake be a beauty and handle her part with grace and pathos for her karloff husband . lugosi likewise be correctly underplayed . i think this be the best part i remember see him in . a i say there be so many good thing represent the african discovery of the radium “ x ” and the melting of the stone statue ( ( somewhat reminiscent of the ten little indian in and then there be none ( agatha christie ) ( the barry fitzgerald version ) ) and the glowing of karlof in the dark . karloff ’ s mother play by violet kemble cooper with elegance . and because of all these virtue and i find myself believe in the science it portray . i guess that ’ s the mark of a good piece of art .