Logo of the Bill &amp; Melinda Gates Foundation.
Unknown author<span style="display: none;">Unknown author</span>, The original uploader was <a href="https://en.wikipedia.org/wiki/User:Gump_Stump" class="extiw" title="wikipedia:User:Gump Stump">Gump Stump</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>., Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons by <a href="//commons.wikimedia.org/wiki/User:Sreejithk2000" title="User:Sreejithk2000">Sreejithk2000</a> using <a href="https://iw.toolforge.org/commonshelper/" class="extiw" title="toollabs:commonshelper/">CommonsHelper</a>.
<a rel="nofollow" class="external text" href="http://www.gatesfoundation.org/nr/public/media/annualreports/annualreport07/assets/GatesFoundationAnnualReport2007.pdf">Bill &amp; Melinda Gates Foundation 2007 Annual Report</a>