Unknown beta-delayed proton precursor Gd-135 has been synthesized by t
he reaction Cd-106 (S-32, 3n) and identified using a helium-jet recoil
fast tape-transport system with a gamma(X)-p coincidence measurements
. Its beta-delayed proton spectrum has been observed. The half-life of
Gd-135 decay has been determined to be 1.1 +/- 0.2 s.