P. Viswambharan was born on 1925-06-25.
P. G. Viswambharan was born in 1947.
P. G. Viswambharan died on 2010-06-16.
Viswambharan Sarasan has written: 'Applications of tissue culture to the breeding of roses with resistance to diplocarpon rosae'
Thiruvarur Bakthavathsalam was born in 1956.
P-P Hartnett was born in 1958.
P. Ramachandran was born on 1921-07-11.
P. P. Devaraj was born on 1929-02-21.
P. A. Backer was born in 1940.
P. A. Venkatachalam was born in 1934.
P. A. Yeomans was born in 1904.
A. P. Udhayabhanu was born in 1915.
A. P. Elkin was born in 1891.