Thanks for the link Franek. So now we get to the nub of it and the British really messed up it seems. From your link :-
Wiki:-
In September 1939, after the outbreak of the war, Rejewski and his colleagues from the Cipher Bureau were evacuated from Poland to Romania . Together with Zygalski and Różycki, they escaped internment in the refugee camp, getting to Bucharest , where they made contact with the British embassy. The British refused to help Polish cryptologists, therefore the next step was the French embassy, where they introduced themselves as friends of Bolek (codename Gustave Bertrand). After receiving instructions from Paris, the embassy staff helped in the immediate evacuation of mathematicians to France, where they arrived at the end of September
That one arbitrary rejection by our Bucharest Embassy (no doubt overwhelmed by the evacuation of the Polish Army) condemned these brilliant men, to which the Allies and the occupied countries of Europe owe so much, to remaining in France following its occupation. How interesting that just when we thought we knew the whole Bletchley Park story it seems the most important people involved in breaking Enigma were never there though desperately wanted to be. Having finally escaped from the Nazis it was too late of course, for having spent all that time in both Vichy and occupied France they posed a potential security risk. The whole saga was a tragedy for them and for us, and a very serious threat to Ultra. All because of some FO apparatchik in Romania...
I agree with steam chicken though. The question remains. What were they doing in those years at Cadiz and who were they working for?