"Ed Yourdon" is a proper noun that is spelled as /ɛd jʊrdən/. The first syllable 'ed' is pronounced as /ɛd/, which is similar to the short 'e' sound in 'bed.' The second part 'Yourdon' has two syllables, with the first syllable pronounced as /jʊr/, which is similar to the 'ur' sound in 'fur.' The second syllable 'don' is pronounced as /dən/, which is similar to the 'on' sound in 'donkey.' Together, the word 'Ed Yourdon' is pronounced as /ɛd jʊrdən/.