Reply To: Who is Rabbi Abraham Joshua Heschel

They had already “mattir’d” swordfish,

http://www.hebrewbooks.org/pdfpager.aspx?req=12060&st=&pgnum=19

“gelatin,”

See Achiezer

“altered the nusach”

hmmm where have I hard that? http://www.theyeshivaworld.com/coffeeroom/topic/nusach-sefard-1