The term harold clayton urey is identified in base64 scheme by the sequence aGFyb2xkIGNsYXl0b24gdXJleQ==, while the MD5 signature is equal to 1a80fb02df654112d653f4a288b54b9e. The ASCII encoding of harold clayton urey in hexadecimal notation is 6861726f6c6420636c6179746f6e2075726579.