As a matter of fact I believe Britain gives out a major honor/award in Novello's name. Of course, gay people are never taught about him. P.S. Thanks for including the clip. It really is a lovely song.
What you can also do in Brazil is to find a guide that will not show you the cities that you might be going to but also make sure you are safe. I did that a couple of times I went and he took me all over Rio and Sao Paolo but also accompanied me to the saunas. He would translate when that was necessary. He did not engage in any extracurricular activities and I did not expect him to.