Who is the propounder of the 'behavioural matrix'?

The concept of 'Paradigm' was propounded by:

Who was the proponent of the concept of 'Lebensraum' (living space)?

In which one of the following countries is Tamil a major language?

The major part of Central Asia is dominated by which one of the following language families?

The 'Stop and Go' concept of determinism was proposed by: