Tag Archives: Mathematics

Jew of the Week: Paul Erdős

Greatest Mathematician in History

Math Extraordinaire Paul Erdos

Paul Erdős (1913-1996) was born in Budapest, Hungary, the son of Jewish mathematicians from whom he inherited his gift. By age three, Erdos was able to instantly calculate the amount of seconds a person had lived. In 1930, he was allowed into university despite Hungary’s restrictions on Jewish students. After becoming a mathematics professor, he was forced to flee European anti-Semitism and came to teach at Princeton University. By 1956 he was so well-known that his native Hungary gave him a free pass to enter and exit the country as he pleased, despite Hungary’s position behind the Iron Curtain. Erdős would go on to publish more papers on mathematics than any other human in history. He wrote 1,525 math articles in his life, collaborating with 511 people (he was a strong proponent of group work). Unmarried and without children, he was a wandering mathematician, travelling the globe with all his possessions in a single suitcase. He donated every award and prize he received. Erdos wished his epitaph to say: “I’ve finally stopped getting dumber.”

Words of the Week

Old age is a virtue and a blessing… It is true that a 20-year-old can dance the night away while his grandmother tires after a few minutes. But man was not created to dance for hours on end. Man was created to make life on earth purer, brighter and holier than it was before he came on the scene… In this regard, a person’s value and productivity only increases with age… The institution of ‘retirement’, which pushes million of men and women to the sidelines of society each year, is a tragic waste of human life and resources.
– The Lubavitcher Rebbe

Jew of the Week: Menachem Mendel Schneerson

The Lubavitcher Rebbe

Menachem Mendel Schneerson – The Lubavitcher Rebbe

Menachem Mendel Schneerson (1902-1994) was the 7th and final Rebbe of Chabad-Lubavitch. From an early age he was focused on the well-being of others, diving into the Black Sea to save a drowning boy when he was just 9 years old. After marrying, he settled in Germany, where he studied math, physics, and philosophy at the University of Berlin. Simultaneously, he began writing commentaries on the Torah. With the rise of the Nazis, Rabbi Schneerson moved to France in 1933, and studied mechanics and engineering at ESTP, then enrolled at the world-famous Sarbonne and studied math until the outbreak of World War II. In 1941, the Rebbe finally made it to America. Immediately, he went to work at the Brooklyn Navy Yard to help the war effort, and was on the team that supplied the U.S.S. Missouri battleship. By 1942, Rabbi Schneerson began taking charge of Chabad. He reluctantly accepted the title of Rebbe in 1951. Over the years, he launched many campaigns to reignite Judaism globally. He sent thousands of emissaries, called shluchim, around the world, setting up Chabad houses on every continent (except Antarctica, for now), thereby putting kosher food, warm hospitality and prayer services always within reach for Jews anywhere in the world. He was a noted kabbalist, and gave countless penetrating discourses. He touched the lives of thousands of people, and inspired countless more. In 1983, the US Congress established the Rebbe’s birthday as “Education Day”. Posthumously, he was awarded the Congressional Gold Medal.

Words of the Week

You must approach a fellow Jew as though you are the King’s servant sent with a message to His most precious child.

– Rabbi Menachem Mendel Schneerson, the Lubavitcher Rebbe

Jew of the Week: the Vilna Gaon

Genius Is His Middle Name

the Vilna Gaon

Eliyahu ben Shlomo Zalman Kramer (1720-1797) was born in a small village in what is now Belarus. Known popularly as the Vilna Gaon – the Genius from Vilnius – it is said he committed the entire Torah to memory by age 5, and by age 11 the entire Talmud. It wasn’t long before he was one of European Jewry’s greatest legal authorities. A prolific writer, he penned commentaries on the Tanakh, Talmud, Mishnah and many other works (a large number of them Kabbalistic). Dedicating every moment of his life to Torah learning, he generally studied secular subjects only while in the bathroom (where study of Torah is forbidden). It was there that he became an expert in astronomy and Euclidean geometry, later instructing his disciples to write a mathematical treatise called Ayil Meshulash. The Vilna Gaon led a simple, saintly, ascetic lifestyle, sleeping just 2 hours a day, usually in 4 half-hour segments. For much of his life he was a travelling nomad, though his aim was always to settle in Israel. Himself unable to accomplish this goal, at least three groups of his students and their families did succeed in making Aliyah, bringing over 500 people to Tzfat and Jerusalem long before the Zionist movement. The Vilna Gaon passed away on Tishrei 19, the 5th day of Sukkot.

Psalm of the Day on the day of Gilad Schalit’s release from captivity. Incredibly, the psalm explicitly mentions Gilad’s name, as well as freedom from captivity, the holiday of Sukkot, and Tuesday. Schalit was freed on Tuesday, during the holiday of Sukkot!

Words of the Week

“On Simchat Torah the Torah scrolls wish to dance, so we become their feet.”
– Chassidic saying