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<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal"><span style="FONT-SIZE: 14pt; FONT-FAMILY: 'Arial','sans-serif'"><font face="Trebuchet MS" size="3">This is very sad news. It seems he never fully recovered after collapsing at the Svedberg
symposium in 2009. </font></span></p>
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal"><span style="FONT-SIZE: 14pt; FONT-FAMILY: 'Arial','sans-serif'"><font face="Trebuchet MS" size="3">Joachim came to visit us in 1990 soon after the fall of the Berlin wall and we became good
friends. I had the honour of speaking at his retirement symposium in 1999.<span>
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<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal"><span style="FONT-SIZE: 14pt; FONT-FAMILY: 'Arial','sans-serif'"><font face="trebuchet ms" size="3"><span></span></font></span> </p>
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal"><span style="FONT-SIZE: 14pt; FONT-FAMILY: 'Arial','sans-serif'"><font face="trebuchet ms" size="3"><span>He told us a story of how once he turned onto a street in Berlin in his Wartburg
Car and found crowds of people lined up along the roadside waving GDR flags at him. He'd taken a wrong turn and ended up heading a procession by the East German leader Herr Honecker - the crowd thought he was Honecker.. until the security police assisted
his exit.</span></font></span></p>
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal"><span style="FONT-SIZE: 14pt; FONT-FAMILY: 'Arial','sans-serif'"><font face="Trebuchet MS" size="3"><span></span></font></span> </p>
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal"><span style="FONT-SIZE: 14pt; FONT-FAMILY: 'Arial','sans-serif'"><font face="Trebuchet MS" size="3"><span></span>His death represents a great loss to the ultracentrifuge community and our
deep condolences go to his family.</font></span></p>
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal"><span style="FONT-SIZE: 14pt; FONT-FAMILY: 'Arial','sans-serif'"><font size="3"></font></span> </p>
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal"><span style="FONT-SIZE: 14pt; FONT-FAMILY: 'Arial','sans-serif'"><font size="3">Steve Harding</font></span></p>
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</font><font face="Tahoma" color="#000000" size="2"><b>From:</b> rasmb-bounces@rasmb.bbri.org [rasmb-bounces@rasmb.bbri.org] On Behalf Of HGSR (Holger Martin Strauss) [hgsr@novonordisk.com]<br>
<b>Sent:</b> 14 April 2011 20:35<br>
<b>To:</b> rasmb@rasmb.bbri.org<br>
<b>Cc:</b> bcloos@mdc-berlin.de<br>
<b>Subject:</b> [RASMB] Joachim Behlke<br>
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<div>Dear all,</div>
<div> </div>
<div>it is with great sorrow that we have learned of the death of our esteemed colleague, Joachim Behlke, ending a scientific career that has been connected to the analytical ultracentrifuge for more than 40 years. Joachim has written or contributed to over
160 publications, covering, amongst others, protein-protein and protein-nucleic acid interactions, crystallisation theory, thermodynamic non-ideality as well as theoretical aspects of data analysis, where he applied statistical thermodynamics to sedimentation
equilibrium data and developed analytical, approximate solutions to the Lamm-equation. He was the organiser of the 9<font size="1"><sup>th</sup></font> international AUC-symposium in Berlin/Buch and a regular attendee of these meetings, ever since the fall
of the wall. In recognition of his achievements, Joachim has been awarded the Svedberg-medal at the AUC-conference in Uppsalla in 2009. One could discuss essentially any AUC-topic with Joachim, only to find out that he had already worked on it – 10, 20 or
more years ago, testimony to the width and breadth of his scientific thinking.</div>
<div> </div>
<div>Born on the 19<font size="1"><sup>th</sup></font> of October 1934 in Biesental, close to Berlin, he studied chemistry in Greifswald between 1954-1960 where he also obtained his PhD-degree in 1964. He then joined the “Zentralinstitut für Molekularbiologie”
in Berlin/Buch in 1971, one of the most prestigious and internationally respected research institutions of the former GDR. After the fall of the wall, Joachim continued his career at the Humboldt-University of Berlin and the Max-Delbrück-Centre (MDC) in Berlin/Buch.
He went on to work there after his emeritation in 1999 and has advised students and co-operators until shortly before his death on the 5<font size="1"><sup>th</sup></font> of april 2011.</div>
<div> </div>
<div>As a collegue, I always enjoyed to discuss even the most hidden details of a sedimentation data analysis over a coffee or beer with Joachim. We will miss you and your insights.</div>
<div> </div>
<div>Being a young graduate student eager to learn the details of AUC from Joachim, instead of being taken by the hand and lead the easy way, I was confronted with his statement that “you know, every protein is different”. Words of wisdom, indeed.</div>
<div> </div>
<div><font face="Verdana, sans-serif">Helmut Cölfen and Holger Strauss</font></div>
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