It was a time when there were a few vociferous folks on both sides such as Vuk Karadžić advocating a purely popular language and Pavle Kengelac favoring a complete acceptance of Slavonic-Serbian, then in literary use, and those in the middle who sought to "reform", though in a compromising manner.Kengelac was a composite of Hungarian Serbian merchant, intellectual with an international education (Germany and Russia) in natural science, law, theology, and astronomy.