▁Ex eter ▁in ▁ 1 9 8 8 , ▁command ing ▁officer ▁of ▁the ▁destroy er ▁HMS ▁Liverpool ▁and ▁commander ▁of ▁the ▁ 3 rd ▁Dest roy er ▁Squadron ▁in ▁July ▁ 1 9 9 5 ▁and ▁Chief ▁of ▁Staff ▁to ▁the ▁Commander , ▁Sur face ▁Fl ot illa ▁in ▁ 2 0 0 0 . ▁He ▁went ▁on ▁to ▁be ▁Com mod ore , ▁Port sm outh ▁Fl ot illa ▁in ▁March ▁ 2 0 0 2 ▁and ▁Flag ▁Officer ▁Sea ▁Training ▁in ▁April ▁ 2 0 0 4 ▁before ▁ret iring ▁in ▁June ▁ 2 0 0 6 . ▁ ▁References ▁ ▁Category : 1 9 5 0 ▁birth s ▁Category : L iving ▁people ▁Category : Ro yal ▁Navy ▁adm ir als <0x0A> </s> ▁De k ker ' s ▁algorithm ▁is ▁the ▁first ▁known ▁correct ▁solution ▁to ▁the ▁mut ual ▁ex clusion ▁problem ▁in ▁concurrent ▁programming . ▁The ▁solution ▁is ▁attributed ▁to ▁Dutch ▁math ematic ian ▁Th . ▁J . ▁De k ker ▁by ▁Ed s ger ▁W . ▁D ijk stra ▁in ▁an ▁un pub lished ▁paper ▁on ▁sequ ential ▁process ▁descri ptions ▁and ▁his ▁manuscript ▁on ▁co oper ating ▁sequ ential ▁processes . ▁It ▁allows ▁two ▁threads ▁to ▁share ▁a ▁single - use ▁resource ▁without ▁conflict , ▁using ▁only ▁shared ▁memory ▁for ▁communication . ▁ ▁It ▁avoid s ▁the ▁strict ▁altern ation ▁of ▁a ▁na ï ve ▁turn - t aking ▁algorithm , ▁and ▁was ▁one ▁of ▁the ▁first ▁mut ual ▁ex clusion ▁algorithms ▁to ▁be ▁invent ed