Anyone heard of Konstantin Glevink? Alleged Tartu professor focused on Baltic and Finno-Ugric history—can't find info!

Hey guys, I came across a video that mentioned a name - Konstantin Glevink, or something similar. According to the video, he was a professor at the University of Tartu and deeply explored Baltic and Finno-Ugric history. However, I haven’t been able to find any information about him online. Does anyone here happen to know anything about him?