Thanks for this email. It is always nice to hear about success stories.
I assume the guilty party is Issam Laradji, as you can see from his Google
Summer of Code blog post:
http://issamlaradji.blogspot.jp/2014/06/week-3-gsoc-2014-extending-neural.html
L-BFGS is indeed usually a good default choi
To whoever programmed the MLPClassifier (with the L-BFGS solver),
I just wanted to personally thank you and if I get your name(s), I would
mention it/them in my paper additionally to the mandatory sklearn citation.
I hope that sklearn will be keeping this algorithm forever in their library
desp