The term gustav robert kirchhoff is identified in base64 scheme by the sequence Z3VzdGF2IHJvYmVydCBraXJjaGhvZmY=, while the MD5 signature is equal to e4b41b35622972b35b7ee528086fa24f. The ASCII encoding of gustav robert kirchhoff in hexadecimal notation is 67757374617620726f62657274206b69726368686f6666.