Who Was Alive

Were Ibn al-Haytham and Pope Gregory V alive at the same time?

Yes. Ibn al-Haytham and Pope Gregory V were alive at the same time for 26 or 27 years, from AD 972 to AD 999.

Ibn al-Haytham

Ibn al-Haytham

Physicist and mathematician

Born c. AD 965 · died 1039

Pope Gregory V

Pope Gregory V

Catholic priest who served as Pope

Born AD 972 · died 23 February AD 999, aged 26 or 27

  1. Ferdowsi, AD 940 – c. 1020
  2. Ibn al-Haytham, c. AD 965 – 1039
  3. Leif Erikson, c. AD 972 – c. 1020
  4. Pope Gregory V, AD 972 – AD 999
  5. Al-Biruni, AD 973 – 1048
  6. Avicenna, c. AD 981 – 1037
  7. William the Conqueror, c. 1028 – 1087

Ibn al-Haytham and Pope Gregory V in bold, with some of their best-known contemporaries; dashed lines mark world events. Drag across, or use the arrow keys, to see the age each reached in any year. Faded ends mark uncertain dates.

Challenge a friend with this question Compare Ibn al-Haytham with someone else

Where Ibn al-Haytham and Pope Gregory V were born

Ibn al-Haytham and Pope Gregory V are labelled, with the contemporaries on the timeline. Each dot is a birthplace from Wikidata (6 of 7 placed); tap one to open that person.
Birthplaces as a list