"Conjoined Thoracopagus Twins" (see related A | B | C | D | E | F), 1487 Michael Walgemut (workshop of) Nuremberg, Nuremberg
The above is one of many woodcuts illustrating the Nuremberg Chronicle printed in 1493 in Nurermberg as "Liber Chronicorum" that speaks of the Creation, the Deluge, and subsequent events. The publisher and printer was Anton Koberger, the godfather of Albrecht Durer. Koberger had printing presses in Nurember, Lyon, Budapest, and other locations. The woodcuts are by the workshop of Micael W Olgemut and his stepson Wilhelm Pleydenwurff made in 1487-1478.
Conjoined twins ("Siamese twins") at the chest (Thoracopagus). This birth defect is very rare, except for an area in Ukraine polluted by Chornobyl, a fact that does not necessarily demonstrates that chronic low dose radiation is the cause. International orgnanizations have de-facto opposed substantive population studies of the impact of Chornobyl on human reproduction.