Dr. Nelson was celebrated for helping to address flaws in the Standard Model, the longtime basis for explaining how particles interact. By Dylan Loeb McClain Ann Nelson, a theoretical physicist ...

The theoretical particle physicist Ann Nelson, who died on August 4 at age 61, was a font of brilliant ideas and a champion of ending discrimination in the field. The Standard Model of particle ...

Read their stories and explore the rest of our 150th anniversary coverage here. When Ann Nelson died in a tragic hiking accident in 2019, the loss went far beyond the pain felt by her many mentees ...

Ann Nelson loved a challenge. From becoming an accomplished physicist in a field dominated by men to summiting mountains, Dr. Nelson spent her life focused on the next goal — and on giving ...