Paul Halpern

'No one can work hard on a serious intellectual problem for more than four hours a day.' -Nobel Laureate physicist Paul Dirac Dirac had many hobbies including gardening, hiking, and reading. (Quote and photo, courtesy of Monica Dirac)

“My grandfather Max Born... said, ‘The belief that there is only one truth and that oneself is in possession of it, seems to me the deepest root of all that is evil in the world.’ [My] grandfather’s words put it all into perspective for me. I agree with him.” -Olivia Newton-John

'I believe in intuitions and inspirations ... I am enough of the artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.' -Albert Einstein saturdayeveningpost.com/2010/03/imagin…

Caroline Herschel, one of the few women of her era to discover comets, was a great astronomer and opera singer. Though her findings were scientifically important, a sexist cartoon mocked her abilities. Visit the excellent @HerschelMuseum in Bath, England to learn more: herschelmuseum.org.uk

"The non-mathematician is seized by a mysterious shuddering when he hears of 'four-dimensional' things, by a feeling not unlike that awakened by thoughts of the occult. And yet there is no more commonplace statement than that the world... is four-dimensional.." -Albert Einstein

Shortly after major surgery, in which student blood donations saved his life, physicist Richard Feynman took on the role of the Chief of Bali Ha'i in the @Caltech production of the musical South Pacific. The stunned audience gave him a long standing ovation! mcbruce.smugmug.com/TACIT/1982-Sou…

In school, Richard Feynman learned on his own about 'the most remarkable formula in math' (Euler's relationship between 0, 1, i, e, and pi), and expressed his amazement in his notebook. Happy #PiDay! #PiDay2026

Existe-t-il plus d'un univers? Is there more than one universe? New interview on BBC News Africa bbc.com/afrique/articl…

Albert Einstein's theory of parrot humour. On Einstein's 75th birthday, one of his gifts was a pet parrot named Bibo. Convinced that Bibo was depressed, he told jokes to try to cheer it up: telegraph.co.uk/news/worldnews… #EinsteinBirthday #PiDay

Today would have been the 90th birthday of brilliant Czech-American animator Paul Fierlinger (pictured with his wife and collaborator Sandra Fierlinger): kvety.cz/lide/paul-fier…

Celebrating the 147th anniversary of the birth of Albert Einstein, tempered with sadly commemorating the 8th anniversary of the death of Stephen Hawking, each falling on #PiDay. #EinsteinHawking #Einstein #Hawking #PiDay2026

'Science makes people reach selflessly for truth and objectivity; it teaches people to accept reality, with wonder and admiration, not to mention the deep awe and joy that the natural order of things brings to the true scientist.' -Lise Meitner, Austrian nuclear scientist

'We live on an island surrounded by a sea of ignorance. As our island of knowledge grows, so does the shore of our ignorance.' -John Archibald Wheeler

"Physics theories about the multiverse are stranger than fiction," by Maria Temming sciencenews.org/article/multiv… #Science #Physics #Multiverse

'I live in that solitude which is painful in youth, but delicious in the years of maturity.' -Albert Einstein

Why Albert Einstein and Many Other Scientists Have Been Such Prominent Supporters of World Peace: Earth’s Preciousness Inspires Efforts to Prevent Global War: phalpern.medium.com/why-einstein-a…