It is a sad news for me who know him since 1984 when I was a Ph. D student in Salford university working under the supervision of Professor D. H. Molyneux. Bob was a agreat scientist and I do appreciate him and hope peace be upon him and God bless him.<br clear="all">
<br>-- <br>
<div>Professor S. Maraghi</div>
<div> </div>
<div>Department of Parasitology. School of Medicine.</div>
<div>Jundishapur University of Medical Sciences.</div>
<div>Ahwaz. Iran.</div><br>