pt</a>]  </td>
 <td></td>
 <td>  </td>
</tr>
<tr class="lecture">
 <td>21</td>
 <td>Fri 10/12</td>
 <td>Clear and Creative Thinking <br />
[<a href="lectures/creativity.ppt">ppt</a>]  </td>
 <td></td>
 <td>  </td>
</tr>
<tr class="lecture alt">
 <td>22</td>
 <td>Mon 10/15</td>
 <td>How to Write a Paper <br />
[<a href="lectures/how-to-write-a-paper.ppt">ppt</a>]  </td>
 <td></td>
 <td>  </td>
</tr>
<tr class="lecture alt">
 <td>23</td>
 <td>Wed 10/17</td>
 <td>How to Give a Talk <br />
 </td>
 <td></td>
 <t