I have seriously done all of the exercises in SICP. I have not worked through all of Knuth. Number 4 is on my to-do list though. Also, besides myself, Eli Bend

I have seriously done all of the exercises in SICP. I have not worked through all of Knuth. Number 4 is on my to-do list though. Also, besides myself, Eli Bendersky has. He's written all the answers in an informative blog.