Even if you are not british you can vote for Douglas Adams. Voting closes on 28 February 2011.
As explained on the site "Islington’s green plaques celebrate historic people, places and events in the borough.
The selection panel have now shortlisted the ten nominations listed below and it's up to you to decide. The five nominations that receive the most votes will be awarded an Islington People's Plaque."
To vote, please go here and fill the form (very easy, it will takes just a few seconds of your time) :