The correct option is C
Ernst Haeckel
Ernst Haeckel classified all living organisms into three kingdoms- Plantae, Animalia and Protista. Copeland gave four kingdom classification - Monera, Protista, Plantae and Animalia. Carl Woese proposed six kingdom classification - Archaebacteria, Eubacteria, Protista, Fungi, Plantae and Animalia. R.H Whittaker proposed five kingdom classification- Monera, Protista, Fungi, Plantae and Animalia.