Scientists and what they added

This lesson asks you to describe the contributions of scientists, including Canadians, to the field you study. The museum holds no record of a Canadian scientist. It can show how three scholars of the Islamic world are described in its records, and your class must bring the Canadian scientists and the contributions of biology itself from elsewhere. ¹

For each card, mark what the record states, what it attributes to someone else, and what it says is uncertain. Then use the same three marks on a scientist your class studies.

Read how one record limits a claim. Surgical chapter 87 of al-Zahrawi's al-Tasrif describes animal-intestinal filaments for internal suturing, and Leclerc's translated page 211 explicitly says that this approach and the neighbouring ant-closure account remain experimental ². The discussion before it draws on Galen's suturing knowledge ³. Note whose page says it: the record's witness is Leclerc's French translation, not a modern clinical study ². Compare how your class's sources mark what is tested and what is not.

The records give purposes unevenly. Al-Jahiz states his own. He opens the Kitab al-Hayawan with a prayer for an unnamed addressee and then reproaches him, having heard that he had attacked Abu Ishaq and Ma'bad over their exchange on the cock and the dog ⁴. On method he says that wisdom may show more plainly in the fly, small as it is, than in the splendid horse, and that he seeks "what is most marvellous, most telling in wisdom, and most indicative to the common people of the Lord's wisdom" ^{5 6}. For al-Zahrawi, TDV describes the Tasrif as the product of approximately fifty years of learning and experience, and the record gives no purpose in his own words ⁷. For Ibn al-Nafis, West says his aim was to explain Ibn Sina's anatomy ⁸.

Two judgments of al-Jahiz stand side by side in the editor's extract. The author of al-Mughni quotes Tha'lab as saying he was "neither trustworthy nor reliable", while another said that the finest and most useful of his works were the Book of Animals and al-Bayan wa-l-Tabyin ⁹. The editor takes this extract from Shadharat al-Dhahab, and the record gives no verdict between the two judgments ⁹.

The study that translates al-Zahrawi's chapters on stones has an abstract with "founder of lithotripsy" language, and the record does not turn it into priority for all surgery across time ¹⁰. Nor does the suture chapter make al-Zahrawi the inventor of suturing from nothing, because earlier discussion draws on Galen ³. Majeed credits catgut among his surgical developments, but the editorial is not a worldwide-priority investigation ¹¹.

Ask what stands behind each name. TDV cautions that al-Zahrawi's fame is not matched by abundant early biographical information ¹². It attributes the 404 AH/1013 death date, advanced age and service to al-Mansur to a much later account by Leo Africanus, and says the earliest accounts give no court-service information ¹². The record therefore keeps the death date cautious, which differs from the 2003 study's confident statement of service to Abd al-Rahman III ^{12 13}.

On whether al-Zahrawi served a particular caliph, TDV reports that the earliest accounts give no court-service information ¹², while the 2003 study states service to Abd al-Rahman III ¹³. Take a position and answer the strongest objection to it: which source would you trust on this point, and why?

• al-Zahrawi: his sparse biography, the structure of the Tasrif and how the book travelled.
• Kitab al-Hayawan: how al-Jahiz opens the book and states his method.
• Ibn al-Nafis: the biographical entry on his work and his book.
• Intestinal filaments for suturing: chapter 87 and the translator's note that the method was still experimental.

Choose one of the three scholars and write three sentences about what the record says he contributed, keeping the record's own hedges. Then write the same for a scientist from your class's reading.