A sweeping collection of Impressionist and Post-Impressionist works will soon be on display at Atlanta’s High Museum of Art, which recently received one of the most significant gifts of European art in its history.

The 24 paintings — with scenes of boats reflected on the water, serene grassy hideaways and rocky cliffs that are rendered in dreamlike pastel shades — come from a dozen notable artists, including Claude Monet, Pierre-Auguste Renoir and Henri Matisse.

By the end of the year, the paintings, from the personal collection of the Atlanta-based philanthropists Doris and Shouky Shaheen, will be in a gallery bearing the names of the couple.

“Their collection is really a godsend,” Rand Suffolk, the museum’s director, said. “It’s the kind of blessing that we would not be able to orchestrate on our own.”