P. N. Vinayachandran was born on 1964-04-19.
P. N. Dhar was born in 1918.
N. P. Mohammed was born in 1929.
P. N. Furbank was born in 1920.
P. N. Haksar was born in 1913.
Ramchandra P. N. was born in 1965.
P. N. Okeke-Ojiudu was born in 1914.
P. G. N. Unnithan was born in 1898.
P. N. Oak was born on 1917-03-02.
W. N. P. Barbellion was born in 1889.
N. K. P. Salve was born on 1921-03-18.
N. P. van Wyk Louw was born on 1906-06-11.
P= positive N=negative P x N = N N x P = N P x P = P N x N = P Hope that helps!?!?!