Critics blast lack of diversity among Oscar nominees

Jennifer Lawrence earns fourth nomination, Eddie Redmayne up for second straight Oscar

Will Smith, who earned a Golden Globes nomination for his role as Dr. Bennet Omalu in "Concussion," wasn't among the 2016 Academy Awards nominees announced this morning.

Sylvester Stallone, who claimed a best supporting actor Globe trophy for his role in "Creed," is up for a similar Oscar. The movie's black star and director, Michael B. Jordan and Ryan Coogler, were not among nominees for either a Golden Globe or Oscar.

Idris Elba was up for a supporting-actor Globe for "Beasts of No Nation" but received no Oscars nod.

This tweet summed up frustration over lack of diversity among nominations:

But it was far from the only one: