Drs P. :
(Thun, 24 August 1919 – Amsterdam, 13 June 2015).
Pseudonym of Heinz Hermann Polzer, was a Dutch-speaking lyricist of Swiss nationality.
His stage name, coined by Willem Duys, refers to the academic degree of doctorandus (abbreviated: drs.) in economics, which Polzer obtained at the Dutch School of Economics (now Erasmus University Rotterdam).
He was also a poet, writer, cabaret artist, man of letters, composer, pianist and singer of self-written songs.
Poetic freedom is usually poetic incapacity.