|Birth Day||April 11, 1925|
|Age||95 YEARS OLD|
|Died On||Mar 18, 2001 (age 75)|
He was born and raised in Tartu, Estonia.
He joined the Estonian Academy of Sciences in 1993.
His son, Matti Masing, is one of Europe's experts on the behavior of bats.
He was born in the same country as Psychologist Juri Allik.