 Gleason said he " always enjoyed helping other people with math " — ​ ​ a colleague said he " regarded teaching mathematics — ​ ​ like doing mathematics — ​ ​ as both important and also genuinely fun . " At fourteen , during his brief attendance at Berkeley High School , he found himself not only bored with first @-@ semester geometry , but also helping other students with their homework — ​ ​ including those taking the second half of the course , which he soon began auditing . 
