Wɔakyerɛw nsɛm yi wɔ Akuapem kasa mu Dr. Joseph William Swain de Graft-Johnson (6 October 1933 – 22 April 1999) ye Ghanani mfididwumayɛfoɔ, Nhomsua mu kunini ne amnyoni. Ɔyɛ kane Ghan manpanyin abediakyire firi 1979 kosii afe 1981. De Graft-Johnson yɛ adwuma se mfididwumayɛfoɔ wɔ Ghana. Na ɔyɛ ɔkyerɛkyerɛfo wɔ Kwame Nkrumah university of Science and Technology wɔ Kumasi, na akyire ɔbɛyɛ ɔkwankyerɛfo. Ɔka wɔn wɔhyehyɛɛ mfididwumayɛfoɔkuo a ɛde Ghana Institution of Engineers (GhIE),  na ɔyɛ ɔkwankyerɛfo firi 1977 kosii afe 1978. Wɔ asraafo aban a ɛne Supreme Military Council bre so no, Na ɔka wɔn a wɔ ko tia asraafo aban no eseane na ɔyɛ ɔkwankyerefo ma GhIE, kuo ahodoɔ a wɔokasa tia asraafo aban no mu baako. Ohyiaa ɔtaa pii esiane saa nsem yi inti. De Graft-Johnson de ne ho kɔdɔɔm amanyɔkuo a ɛde People’s National Party (PNP) wɔ afe 1979 mu bre a wɔhyehyɛɛ wie no. Eyi sii bre a woyii bra a National Redemption Council braa amanyɔkuo nwumakuo ahodoɔ wɔ afe 1972 mu.  PNP amanyɔkuo no dii nkunim wɔ abatoɔ no mu na ɔbeyɛɛ manpanyin abediakyire a odikan wɔ Ghana, wɔ Liman aban mu.