<Tr> <Td> Kingdom: </Td> <Td> incertae sedis </Td> </Tr> <Tr> <Td> Phylum: </Td> <Td> incertae sedis </Td> </Tr> <Tr> <Td> Class: </Td> <Td> incertae sedis </Td> </Tr> <Tr> <Td> Order: </Td> <Td> incertae sedis </Td> </Tr>

Who declared that all living cells can only come from other living cells