Complex sentence: His Royal Highness the Aga Khan served as life President of the Board of Trustees while both Abdullah Yusuf Ali and Muhammad Marmaduke Pickthall, the famous translators of the Qur’an, were trustees of the Fund.
Split into simpler sentences: His Royal Highness the Aga Khan served as life President of the Board of Trustees. Both Abdullah Yusuf Ali and Muhammad Marmaduke Pickthall, the famous translators of the Qur’an, were trustees of the Fund.