Rabbi Nehemiah

2nd century AD Jewish scholar and rabbi

Rabbinical eras

* Chazal
* Zugot
* Tannaim
* Amoraim
* Savoraim
* Geonim
* Rishonim
* Acharonim

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Rabbi Nehemiah was a rabbi who lived circa 150 AD (fourth generation of tannaim).

He was one of the great students of Rabbi Akiva, and one of the rabbis who received semicha from R' Judah ben Baba

The Talmud equated R' Nechemiah with Rabbi Nehorai: "His name was not Rabbi Nehorai, but Rabbi Meir."[1]

His son, R' Yehudah BeRabi Nechemiah, studied before Rabbi Tarfon, but died at a young age after damaging R' Tarfon's honor, after R' Akiva predicted his death.[2]

## Teachings

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In the Talmud, all anonymous sayings in the Tosefta are attributed to R' Nechemiah.[3] However, Sherira Gaon said that this does not mean they were said by R' Nechemiah, but that the laws in question were transmitted by R' Nechemiah.[4]

In the Talmud, many times he disagrees with R' Judah bar Ilai on matters of halacha.

He is attributed as the author of the Mishnat ha-Middot (ca. AD 150), making it the earliest known Hebrew text on geometry, although some historians assign the text to a later period by an unknown author.

The Mishnat ha-Middot argues against the common belief that the Bible defines the geometric ratio π (pi) as being exactly equal to 3, based on the description in 1 Kings 7:23 (and 2 Chronicles 4:2) of the great bowl situated outside the Temple of Jerusalem as having a diameter of 10 cubits and a circumference of 30 cubits. He maintained that the diameter of the bowl was measured from the outside brim, while the circumference was measured along the inner brim, which with a brim that is one handbreadth wide (as described in the subsequent verses 1 Kings 7:24 and 2 Chronicles 4:3) yields a ratio from the circular rim closer to the actual value of π.[5]

### Quotes

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* "Due to the sin of baseless hatred, great strife is found in a man's home, and his wife miscarries, and his sons and daughters die at a young age."[6]

## See also

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* History of numerical approximations of π

## References

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1. ^ Eruvin 13b; see also [[Rabbi Meir#Name
2. ^ Menachot 68b
3. ^ Sanhedrin 86a
4. ^ Igeret Sherira Gaon, p. 102-103, R' Binyamin Menasheh Levin edition, Haifa, 1920-1921
5. ^ Petr Beckmann, A History of Pi, St. Martin's (1971).
6. ^ Shabbat 32b

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Tannaim

Last Generation of Zugot Era|

* Hillel the Elder
* Shammai
* Houses of Hillel and Shammai
* Bnei Bathyra
* Menahem
* Hananiah ben Hezekiah ben Garon
* Simeon ben Hillel

First Generation|

* Gamaliel I, the Elder
* Shimon ben Gamliel (I)
* Ishmael ben Elisha ha-Kohen
* Yohanan ben Zakkai
* Jonathan ben Uzziel
* Baba ben Buta
* Hanina ben Dosa
* Hanina Segan ha-Kohanim
* Abba Saul ben Batnit
* Admon
* Dosa ben Harkinas
* Judah ben Bathyra
* Eliezer ben Jacob I
* Nahum the Mede

Second Generation|

* Gamaliel II
* Joshua ben Hananiah
* Eliezer ben Hurcanus
* Eleazar ben Arach
* Nehunya ben HaKanah
* Nachum Ish Gamzu
* Abba Hilkiah
* Rabbi Zadok
* Akabia ben Mahalalel
* Simeon HaPakoli
* Shmuel ha-Katan

Third Generation|

* Rabbi Akiva
* Rabbi Tarfon
* Judah ben Bava
* Rabbi Ishmael
* Eleazar ben Azariah
* Jose the Galilean
* Eliezer ben Jose
* Haninah ben Teradion
* Eleazar ben Perata I
* Johanan ben Baroka
* Simeon ben Zoma
* Simeon ben Azzai
* Onkelos
* Hanina ben Antigonus
* Hanina ben Hakinai
* Yochanan ben Nuri
* Eleazar Chisma
* Elisha ben Abuyah
* Rabbi Ilai I
* Eleazar of Modi'im
* Halafta
* Haninah ben Ahi R. Joshua
* Abtolemus
* Jose ben Kisma
* Jeshbab the Scribe
* Aquila of Sinope
* Johanan ben Torta
* Eleazar ben Judah of Bartota
* Matteya ben Heresh
* Hanan the Egyptian
* Simeon the Yemenite
* Abba Jose ben Hanan
* Judah ben Dama

Fourth Generation|

* Simeon ben Gamaliel II
* Judah bar Ilai
* Jose ben Halafta
* Shimon ben Halafta
* Rabbi Jonathan
* Rabbi Meir (and wife Bruriah)
* Shimon bar Yochai
* Eleazar ben Shammua
* Rabbi Nehemiah
* Rabbi Nathan
* Joshua ben Karha
* Abba Saul
* Johanan HaSandlar
* Pinchas ben Yair
* Simeon Shezuri
* Hananiah ben Akavia
* Eliezer ben Jacob II

Fifth Generation|

* Judah haNasi (Judah I)
* Huna Kamma
* Jose ben Judah
* Ishmael ben Jose
* Eleazar ben Simeon
* Simeon ben Eleazar
* Eleazar ha-Kappar
* Symmachus ben Joseph
* Issi ben Judah
* Bar Kappara
* Jose ben Zimra
* Levi ben Sisi
* Rabbi Bana'ah
* Simeon ben Menasya
* Yadua the Babylonian
* Joshua ben Levi
* Abba Kohen Bardela

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