Not a fan either. It commits the same sin as the typical Computer Modern typically used in TeX but to a worse degree: far too light for easy reading. IIRC it's

Not a fan either. It commits the same sin as the typical Computer Modern typically used in TeX but to a worse degree: far too light for easy reading. IIRC it's name is either Iwona or Kurier. For free fonts for typesetting in TeX, I would recommend one of the Times-based fonts. I personally typesetting typically in EB Garamond with a very new free Unicode math font called Garamond Math, but the setup is quite elaborate.