The phenomenon of incomplete dominance was observed by whom?

In $Antirrhinum$ $(Snapdragon)$,a red flower was crossed with a white flower and in $F_{1}$ generation,pink flowers were obtained. When pink flowers were selfed,the $F_{2}$ generation showed white,red and pink flowers. Choose the incorrect statement from the following:

Genotypic and phenotypic ratios remain the same in

What would be the colour of flowers in $F_1$ progeny as a result of a cross between homozygous red and homozygous white-flowered Snapdragon?

Which of these statements is incorrect?

The phenomenon of incomplete dominance was observed by