He was an early exponent of systems management in health services.

To some extent, though less so than with survey researchers, the same spirit informed the early exponents of participant observation.

Thomas was certainly among its earliest important exponents.

He might now be hailed as an early exponent of globalization.

The company was also an early exponent of stereophonic recording.

William's mum was an early exponent of the self-help society.

He was an early exponent of experimental plant ecology.

John Porteous had been an early exponent of the game of golf.

He was an early exponent of what has come to be referred to as consciousness studies.

He was also one of the earliest exponents of the long throw-in.