Syed Zahir Haider, Pakistani chemist (Dhaka, Bangladesh 01 September 1927 – 23 August 2008)
Authored over 250 papers
Developed methods for synthesis of borate complexes, organoboric compounds, zircon, niobium, tantalum and antimony phosphates
Developed new methods for determination of borate and phosphate compounds in complex mixtures
Established tetragonal unit of niobium oxyphosphate by x-rays diffraction
Synthesized new inorganic ion-exchangers
Observed the explosive properties and germicides of organoboric compounds