Queen's University said last night that there was a "deep sense of shock and loss" at the sudden death of the university's Vice Chancellor, Professor Paddy Johnston.
The 58-year-old died suddenly while on in Donegal at the weekend. James O'Kane from QUB also extended sympathy to his wife Iseult and four sons.
Mr Johnston (58) regarded as one of the world's leading cancer researchers, was appointed vice-chancellor in March 2014.
One of the driving forces behind the creation of the Centre for Cancer Research at Queen's his work was described as "visionary" and lead to a reduction in cancer mortality rates.
Alliance party leader Naomi Long said his death was a "huge loss to university and city".
DUP leader Arlene Foster said his legacy will be "the work that will continue at Queens on cancer research".
Dr Alasdair McDonnell, who was a friend of Professor Johnston said he was "a powerful figure, working to find a cure for cancer".
Máirtin Ó Muilleoir said his loss would be felt by those who "admired his determination to find a cure for cancer".
UUP MLA Alan Chambers said Mr Johnston's death "will be a real loss to his family, the Queen's University community and to cancer research".
