Update README.md

Author: mhjensen

README.md

@@ -102,7 +102,7 @@ possible.
   * _Office_: Department of Physics, room FØ470 
   * _Office hours_: *Anytime*! Individual or group office hours can be performed either in person or via zoom. Feel free to send an email for planning.
 * Ida Torkjellsdatter Storehaug, i.t.storehaug@fys.uio.no
-* Oskar Leinone
+* Oskar Leinonen, oskarlei@fys.uio.no
 * Mia-Katrin Ose Kvalsund, m.k.o.kvalsund@fys.uio.no
 * Karl Henrik Fredly, k.h.fredly@fys.uio.no
 * Eir Eline Hørlyk, e.e.horlyk@fys.uio.no