Karol Marcinkowski
[Image:Marcinkowski Marcinek Poznan.jpg|thumb|250px|Monument of Karol Marcinkowski in front of Karol Marcinkowski High School in Poznań]
Karol Marcinkowski was a Polish physician, social activist in the Greater Poland region, supporter of the basic education programmes, organizer of the Scientific Help Society and the Poznań Bazar - the Polish mall in Poznań that included a hotel, meeting rooms, crafts and shops.
Membership in organizations
- Scientific Help Society for the Youth of the Grand Duchy of Poznań, Towarzystwo Naukowej Pomocy dla Młodzieży Wielkiego Księstwa Poznańskiego - scholarship for poor youth.