[2] Falb took up fencing under the coaching of Andrei Altman at the local club "„Flacăra Roșie”", where he became friends with future teammate and Olympic champion Ion Drîmbă.

[3] He transferred in 1961 to CSA Steaua with coaches Constantin Panescu and Vasile Chelaru.

That same year, along with Ion Drîmbă, Ștefan Ardeleanu, Tănase Mureșanu and Mihai Țiu, he earned Romania's first team world title in fencing with a gold medal in Montreal.

He was named "master in sports" (Maestru al sportului) in 1966, then "honoured master in sports" (Maestru emerit al sportului) a year later.

After his retirement as an athlete, Falb became a fencing coach, working for several clubs and for the National Institute of Physical Education in Bucharest.