Our most notable contributions to the Wikipedia are listed here.
My first contribution was on 24 July (2003) at 16:23, on the phase page, that still remains a modest article as of today.
My only contribution in 2005 in the English Wikipedia was on the disambiguation page of Cornell, adding the Nobel prize physicist Eric Allin Cornell (so it was a slow Wikipedia year for me, in this language). Humbled by the ephemerous nature of one's input, slowly dissolving throughout the years, I let myself be engrossed more with my own work and had a major gap of non-active contributions in the years 2015--2019. In 2020, however, during the Covid pandemic, I stumbled on the incredible fact that the Quattro Formaggi pizza had no entry in the encyclopedia! I was investigating the course as part of my own investigations with the Art of pizza in the kitchen. It appeared that this variation being so famous and widespread, its origin got lost in history, prompting me to write:
I studied the topic in more detail and could assemble enough material to honour the theme with this item of choice. This may be, ultimately, my most important contribution to the Wikipedia! I otherwise kept a small but nonzero rhythm of participation, from minor edits to more substantial inputs, having created the following pages in the English Wikipedia to date:
and in the French Wikipedia: