Yes! Laszlo was one of the first to mine with GPU!

https://bitcointalk.org/index.php?topic=133.0

And a curious fact: that pic with Laszlo in red shirt is not from Bitcoin Pizza Day! It is from Lightning Pizza Day in February 2018 when he bought again two pizzas but with LN!

https://primal.net/e/nevent1qqsfzkrnjy48qrug022eyy65y5ety92037acx92nggp3tepadxt4d2czffrjx