<prompt> Translate the following text to EnglishKulikuwa na ukimya wa kutisha, na macho yote yalikuwa yamezingatia mtaalamu huyo mashuhuri wa London, ambaye alijulikana kuwa mmoja wa wataalamu wakuu wa siku hiyo katika somo la sumu.  <response>: There was a breathless hush, and every eye was fixed on the famous London specialist, who was known to be one of the greatest authorities of the day on the subject of toxicology. 