I am a French user, with globally more than 40,000 edits on March 2019, a non-insignificant part of them being substantial — of Polish and Ukrainian ascent, sometimes editing English pages, on basic information, like spelling or formatting or when I notice inconsistency, as soon as I have a bit of time and if it is not too much complicated.

Please do not worry, my English is not so poor, having read it for some decades ; and I often translate English text from en.wikipedia to fr.wikipedia. I often do it too from de.wikipedia but it then appears to be more difficult without a German dictionary. My Spanish is not so bad, because I learnt it at school, as I dit it for English.

I was educated at French École Polytechnique, a school with historically good professors or postdoctoral researchers like Henri Poincaré (an alumnus and a genius at mathematics and physics who e.g., with Hendrik Lorentz, largely guided Albert Einstein for finalizing the theory of relativity), Laurent Schwartz, Jean-Christophe Yoccoz (the two latter Fields Medalists), or more recently Gérard Mourou, one of the three 2018 Nobel Prize in Physics laureate.

Best regards. Gkml.