In 1985, research by and his colleagues at leicester university, england led to the discovery that portions of the dna structure of certain genes are as unique to individuals, as are fingerprints.

The answer is Dr Alec Jeffreys. The genetic fingerprint and DNA profile are used by forensic science to help the police in their research work. The same technique has proved very useful in resolving litigation about paternity, for the identification of human remains in armed conflicts and for the identification of the corpses of historical figures.

The diaphragm is what i think ur talking about