Hazrat abu huraira r.a
Hazrat Hassan a s offered the namaz e janaza of Hazrat Ali as
Hazrat Muhammad PBUH
All Muslims in Madina .
حضرت عثمان کے جنازہ نماز مین کون کون شریک تھا
It was offered in the home of H. Ayesha RA. in small groups 2 or 3 person at a time as room was small ..
Hazrat Ali AS lead the Janaza Prayer of Bibi Fatima and then Buried the blessed Body the same night next another prayer was held to offer Ghaibana Namaz e janaza lead by then Caliph Hazrat Abu Bakar RA
If a Muslim does not read Namaz then, you can not go to his/her janaza, I wouldn't go if some one die and he did not read Namaz.
Allama Iqbal Ki Namaz e Janaza Molvi Ghulam Murshid Ne Parhae.‎ FB.com/farooq.ksa1
Ahzam Chisti
Abdul Hamid Badayuni performed the Funeral of Allama Muhammad Iqbal.
Yes. Youmayoffer Namaz behind any Muslim. Only some sects of the Shias have different kind of namaz i janaza.
his wife Imam Ali (PBUH). she says I want to no one know the place of my grav. so his wife and sons Hassan and Hussein (peace be upon them) buried at night to people do not know its place. today the place of her grave is unknown. she was the first one who died after prophet.