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10
votes
1answer
209 views

Which sections of Igros Moshe are in which volumes?

In Igros Moshe, the classic compilation of responsa by R' Moshe Feinstein, each of the published volumes contains one or more collections of numbered responsa, each concerning a specific area of ...
8
votes
1answer
68 views

Experimental drug testing (e.g. for cancer)

Are there any sources discussing (both l'kula and l'chumra) experimental drug studies? Two reasons this would be halachically problematic: Drugs assigned based on animal studies have a small chance ...
6
votes
0answers
130 views

Dilemma for Jewish Scientists

A member of my shul, scientist who was on the short-list to win a Nobel a couple of years ago, made an interesting point about his own ethical issue. As a scientist involved in biology, ...
5
votes
1answer
527 views

Holocaust Responsa of Rav Ephraim Oshry

Due to the poor health of Lithuania's last Chief Rabbi, Rav Avraham Shapiro, and due to his death in 1943, many of the residents of Kovno Ghetto addressed their questions to Rav Shapiro's student, Rav ...
5
votes
1answer
168 views

“Rabbi, teach me something new”

Throughout the Talmud* there are launch-pad stories of sages being asked by their students and even their peers to teach them something they've never been taught before or else something that was ...
5
votes
0answers
86 views

'Agunoth and Mamzerim after the Holocaust

What have Posekim decided regarding families that were torn apart as a result of the Holocaust, particularly with respect to marriages where the husband was taken and never seen again (but not ...
4
votes
1answer
708 views

Was chicken originally considered pareve? If so, when and why was this changed?

I heard that chicken was originally considered pareve in the Bible, because it is a type of fowl (i.e. like fish it is pareve, as it is not 'meat'), and that only later was it changed to be meat ...
3
votes
3answers
97 views

Which opinion of the Rambam is followed, the Mishneh Torah or the Responsum?

If there is a contradiction between something the Rambam wrote in the Mishneh Torah and his responsum letters, which is considered his final ruling? Is there a general rule or is it a case by case?
2
votes
1answer
57 views

Responsum of Maimonides Regarding Translating Mishne Torah

The Maimonides Reader (p. 478) quotes Rambam's responsum to Ibn Gabir regarding translating the MT (also referenced here). He responds to a request from this Arabic speaker who was able to learn ...
2
votes
3answers
84 views

Maimonides' Responsum on Pre-Sinaic Mitzva Observance

The Maimonides Reader (p. 478) quotes Maimonides' responsum to Hasdai Ha-Levi where he states that our forefathers didn't keep the mitzvos at all. Where else can this responsum be found? ...
1
vote
1answer
37 views

Can I get the Rambam's correspondence with the French rabbis online?

I recently read an article by Rabbi Yaacov Schwartz in the Journal of Halacha and Contemporary Society (Fall 1988) titled "Jewish Implications of Astrology." In the article, he quotes the Rambam in ...
1
vote
0answers
13 views

Responses of Raavya to Rokeach

R. Elazar of Worms (author Sefer Rokeach) sent questions to R. Eliezer ben Yoel (known as Raavyah). These are recorded by Raavyah (ch. 151). responses to some of the questions are recorded there. I ...
1
vote
0answers
31 views

Nishmas Chaim / Rav Chaim Berlin - searching for his tshuva on men and women shaking hands

Regarding the sugya of men and women shaking hands, I saw a few places who source the Nishmas Chaim who explains his shitta. They source it as Nishmas Chaim Siman 135 and some add (anaf) 6. However, I ...