Argonaut

Ar·go·naut

Argonaut

n.
  1. Any one of the legendary Greek heroes who sailed with Jason, in the Argo, in quest of the Golden Fleece.
  2. A cephalopod of the genus Argonauta. (Zool.)
  3. One of those who went to California in search of gold shortly after it was discovered there in 1848. [U. S.]
    The “Argonauts of '49” were a strong, self-reliant, generous body of men.