What does PD mean in Academic & Science?

This page is about the meanings of the acronym/abbreviation/shorthand PD in the field in general and in the Academic & Science terminology in particular.

The first man requiring a 'PD' or program director was Gugelielmo MARCONI and his historic first successful trans-Atlantic radiogram from Nova Scotia. He utilized the powerful es dangerous 'spark-gap' transmitter with an extended-length, insulated and padded sending key: The 'rig-room' was sterilized with the crashing, sizzling, blinding, bluish-white lightning-like flashes at the 'contact-points' as he 'beat and fisted-out' his world-quaking, earth shaking, Marconi-made Morse message of radio-code for mankind in 1902:

Historic inventions are often born in an environment of 'crude-station', es often engaged harshly with 'rude remarks' and 'jeering judgements': German scientist, Heinrich Hertz discovered radio waves, but the Italian, Gugelielmo Marconi blasted them over the waves of the tempestuous Atlantic ocean from Nova Scotia to a sea of recipients awaiting his 'world-wide' message!

Academic & Science


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What does PD mean?

Chem. Symbol.palladium.

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