This construction 'look forward to doing' is the accepted form and the infinitive 'to hear' is a well known error made by writers to whom English is a foreign/second language.

mūžu dzīvo - mūžu mācies!

[16:26:36] A says: what's "arsey"?
[16:29:50] B says: arsey means, dicky
[16:29:56] B says: or twaty
[16:30:09] B says: people not being nice because they dont like someones way of being
[16:30:13] A says: is there a word "pussly" then?
[16:30:18] B says: pussy
[16:30:35] A says: i mean, an adjective made of pussy
[16:30:44] B says: nah
[16:30:45] B says: cunty
[16:31:34] A says: could someone possibly be clitory or clitty as well?
[16:32:50] B says: nah
[16:32:52] B says: just a clit
[16:32:59] B says: you clumsy clit