Who is the president of Nigeria now 2021​

Muhammadu Buhari GCFR is a Nigerian politician who has been president of Nigeria since 2015. Buhari is a retired Major General of the Nigerian Army and served as military head of state from 1983 to 1985, after taking power in a military coup d'état.

You do not see contemporary artist using chiaroscuro as much anymore, because it was used at a time when there were only candles and firelight for nighttime illumination. many of the paintings that used chiaroscuro did so to depict people who were around candlelight. this to illuminate their forms and create a dramatic effect. because we have modern electricity and light, the technique isn't seen as frequently in present day art.