WASHINGTON — By the close of her career, Alma Thomas enjoyed substantial critical and common results. She was the first African American feminine artist to be provided a solo demonstrate at the Whitney Museum, in 1972. Her operates were accessioned by big museums throughout the country, and highlighted prominently in vital exhibitions in New York and Los Angeles. But it is unlikely Thomas could have imagined how her name would keep on to develop soon after her death at 86 in 1978, so considerably that she is now a single of the most beloved summary painters of the previous century. The adulation is deserved, but it can make it hard…