Dr. Tuliza Fleming, Curator of American Art at the National Museum of African American History and Culture since 2007, worked to build the museum's foundational American art collection, served as the lead curator for the inaugural exhibition "Visual Art and the American Experience," curated "Clementine Hunter: Life on Melrose Plantation," and co-curated the traveling exhibition "Ain't Nothing Like the Real Thing." #Groundbreaker

Alcione M. Amos, Curator at the Smithsonian Anacostia Community Museum since 2009, researches the history of post-slavery societies and Afro-Brazilians from West Africa in the nineteenth century. She curated major exhibitions at the museum, such as Word, Shout, Song (2010–2011) and How the Civil War Changed Washington (2015). #Groundbreaker

The Smithsonian Institution Archives remembers Riccardo Giacconi (1931–2018)

Dr. Suzan Murray, Director of the Global Health Program and Chief Wildlife Veterinary Medical Officer, Smithsonian Conservation Biology Institute, leads a team in worldwide efforts to address health in endangered wildlife and works to combat global infectious diseases. She previously served as the National Zoo's Chief Veterinarian, 2001–2014. #Groundbreaker

The Hirshhorn Museum and Sculpture Garden has been located on the National Mall since 1974, but before that, Joseph and Olga Hirshhorn spent years considering which city or country the Hirshhorn Museum and Sculpture Garden would call home.

Dr. Mercedes López-Morales has been an astronomer at the Harvard-Smithsonian Center for Astrophysics since 2012. She researches the detection and characterization of exoplanet atmospheres and serves as a leader on multiple international projects. #Groundbreaker

Twenty-nine years ago yesterday the National Museum of the American Indian Act was signed and the Museum of the American Indian became part of the Smithsonian family.

Corine Wegener, Director of the Smithsonian Cultural Rescue Initiative has been working to preserve cultural heritage in crisis situations in the U.S. and around the world for the Smithsonian since 2010. A former U.S. Army Reserve officer, she regularly organizes military cultural heritage events at the Smithsonian. #Groundbreaker

A look at the importance of getting your hands dirty and sharing your ideas in the pursuit of knowledge

Lora Moran-Collins, 3D Studio Supervisor at Smithsonian Exhibits, made dioramas, mannequins, and models of horses, sea lions, dogs and more  for displays across the Smithsonian from 1981 to 2017. #Groundbreaker