The term roy chapman andrews is identified in base64 scheme by the sequence cm95IGNoYXBtYW4gYW5kcmV3cw==, while the MD5 signature is equal to 29afe3ddca4c628bbe04e2c0f2a0b26a. The ASCII encoding of roy chapman andrews in hexadecimal notation is 726f7920636861706d616e20616e6472657773.