Investigate

Alfred M. Worden, Who Orbited the Moon in 1971, Dies at 88

Bruce McEwen, 81, Is Dead; Found Stress Can Alter the Brain

Louis Nirenberg, ‘One of the Great Mathematicians,’ Dies at 94

Jeanne Guillemin, Who Exposed Soviet Anthrax Lab, Dies at 76

Dr. Bernard Fisher, Who Revolutionized Breast Cancer Treatment, Dies at 101

Aleksei Leonov, First Man to Walk in Space, Dies at 85

Kary B. Mullis, 74, Dies; Found a Way to Analyze DNA and Won Nobel

Daniel Callahan, 88, Dies; Bioethics Pioneer Weighed ‘Human Finitude’

Rene Favaloro, a Pioneering Surgeon, Is Honored in Today’s Google Doodle

Rene Favaloro, a Leader in Early Heart-Bypass Surgery, Died at 77

Lotfi Zadeh, Father of Mathematical ‘Fuzzy Logic,’ Dies at 96

Dr. Herbert Needleman, Who Saw Lead’s Wider Harm to Children, Dies at 89

Maryam Mirzakhani, Only Woman to Win a Fields Medal, Dies at 40

John E. Sarno, N.Y.U. Rehabilitation Doctor, Dies at 93

Hans Dehmelt, Nobel Laureate for Isolating Electrons, Dies at 94

Ron Drever, Physicist Who Helped Confirm Einstein Theory, Dies at 85

Edward E. David Jr., Who Elevated Science Under Nixon, Dies at 92