Mohammed Tukur Usman
Mohammed Tukur Usman (1932 - 2009) ma’aikacin gwamnatin Najeriya ne wanda ya kasance babban sakataren ma’aikatar ayyuka ta tarayya a zamanin gwamnatin Murtala Mohamed da Obasanjo daga shekara ta 1975 zuwa shekara ta 1979.  ƙani ne ga Yaradua .

Rayuwa 
An haifi Usman a garin Katsina inda ya yi mafi yawan kuruciyarsa. Ya kammala karatunsa na Sakandare a Kwalejin Barewa Zariya, kuma yana ajin yaye daliban da ya zama na farko da ya fara cin jarrabawar kammala karatu a Barewa. Bayan kammala jarrabawar, ba kamar sauran takwarorinsa da suka tafi kai tsaye zuwa ga Mahukuntan kasar ba, Usman ya yanke shawarar shiga aikin gwamnatin mulkin mallaka a matsayin injiniyan farar hula. Hanyar farko ta shiga aikin ta fara ne da yin jarrabawar aikin gwamnati a shekarar 1949, sannan aka karbe shi ya karanci injiniyan farar hula.  A tsakanin shekarar 1950 zuwa 1953 ya yi horo a kwalejin kimiyya da fasaha ta Yaba sannan ya shafe wasu watanni yana koyo a karkashin injiniyoyin ayyukan gwamnati. A cikin shekara ta 1954, ya sami gurbin karatu daga gwamnatin yankin Arewa don yin karatun injiniyan farar hula a Jami'ar Sussex . Bayan ya koyi aikin injiniyan farar hula a kasashen waje, ya dawo Najeriya; Aikin farko da Usman ya fara yi shi ne ma’aikatar ayyuka na yankin a matsayin daya daga cikin injiniyoyi hudu na farko daga yankin. Daga baya kuma an saka shi a matsayin digiri na biyu na shekaru uku a Hukumar Tashoshin Ruwa ta Najeriya a Legas da Fatakwal. A shekarar 1968 ya shiga ma’aikatar ayyuka ta tarayya

Usman ya samu matsayi a ma’aikatan gwamnatin tarayya, tun daga shekarar 1968, a lokacin ya zama babban Injiniya a ma’aikatar ayyuka ta tarayya. A cikin 1971, an nada shi darakta na ayyuka kuma ya zama babban sakataren ma'aikatar ayyuka a 1975.

Usman ya kasance Babban Sakatare ne lokacin da adadin hanyoyin da gwamnati ke kula da su ya karu daga 11,000 km zuwa 27,000 km. Usman ya gane cewa akwai rashin kyakykyawan hali na kula da tituna da gine-gine da gwamnati ke yi, inda ya dora laifin a kan kare lafiyar ma’aikatan gwamnati da rashin aikin yi da kamfanoni ke yi.  A zamansa ya kammala aikin babbar hanyar Legas zuwa Ibadan, titin Benin-Shagamu dual carriageway da hanyar A2, wanda ya hada Warri-Benin-Okene-Abuja-Kaduna.

Manazarta 

Najeriya
Najeriya a 2006
Tarihin Arewacin Najeriya
Mutane