Experimenting on a raft anchored on the river Elbe, Alfred Nobel tries to make nitroglycerine safer to handle. Finds that the addition of kieselguhr turns nitroglycerine into a dough that can be kneaded, and calls it "dynamite".
No one should hang around Alfred Nobel when he is working.
( z1 recommend :ARG1 ( z2 hang :ARG1 ( z3 no-one ) :ARG2 ( z4 around :op ( z5 person :name ( z6 name :op "Alfred" :op "Nobel" ) ) ) :time ( z7 work :ARG0 z5 ) ) )