<p>I would argue that it difficult to write an essay about your passion for an academic subject and make it sound personal (but if that works for you, go for it)</p>
<p>See this forum for advice on the topic: <a href=“Note from my daughter's school re: Common App essay - #25 by shawnspencer - Parents Forum - College Confidential Forums”>http://talk.collegeconfidential.com/discussion/comment/17433012</a>
In particular, post #24 has some good links and stuff you could see as samples ;)</p>