Wrapping beneath image

Hello. I have a page where there is a picture of a person on the left and a description on the right. The problem is when I float the picture left, text will wrap under it if the picture’s height is not as much as the text. Here is a sample:

[code=html]
<div id=”person”>
<h3>Person’s Name</h3>
<img src=”person.jpg” class=”img_left”>
<p>Description</p>
</div>
[/code]

The class img_left has the declaration of float:left; but if the description happens to be really long, it wraps beneath the picture which I don’t want. I know how to achieve this look using tables, but I would rather use CSS. Thanks.

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