The author discuses the 50th year of the International Society for Rock Mechanics (ISRM) and the New Austrian Tunnelling Method (NATM) as of 1962. He states that ISRM was established in Salzburg, Austria on May 25, 1962 and that the term NATM was introduced by professor L. v. Rabcewicz in the same year. He also offers information on the 61st Geomechanics Colloquium.