Busch 's biographer Berndt W. Wessling suggested that Friedrich Wilhelm Busch invested heavily in his sons ' education partly .
Friedrich Wilhelm Busch 's 's own illegitimacy held significant stigma in rural areas .
Busch 's biographer Berndt W. Wessling suggested that Friedrich Wilhelm Busch invested heavily in his sons ' education partly because his own illegitimacy held significant stigma in rural areas .