exact time when backprop was invented even though it probably wasn't in the current exact current formulation and it probably existed someone like this so but again and he his main claim is dr. Hinton except the Honda Prize although he apparently agrees that Honda's claims are false he should ask Honda to correct their statements and like in the end maybe you're going would like to set the record straight who invented LST M's and you know as we as you may know seppo writer it kind of invented LST ms under jurgen schmidhuber