The Slavs and the Old Prussians. Poland in the Early Medieval Period / Славяне и Древние Пруссы. Польша в период Раннего Средневековья.: As for myself, in discussing Early Medieval Slav and Old Prussian archaeology I will be following the allochthonist theory. You may be sure that a neo-autochthonist was invited to take the floor on the same subject his or her presentation would be quite d