>>> "ESF" == Eric S Fraga <e.fraga@ucl.ac.uk> writes:

   > On Monday, 14 Dec 2020 at 17:24, Uwe Brauer wrote:
   >> Sigh, this is so obvious that it did not occur to me. Thanks 

   > Sometimes the easiest solution is actually the last one
   > considered... happens to me constantly with org mode.

I just realised  that beamer allows 

\institute{\texttt{email:oub@mat.ucm.es}}

But this does not get translated when I add to the org file 

#+institute: : oub@mat.ucm.es

Any ideas?