There are 7 mathematicians whose last name begin with HAAC.
| Haack, Fiete | Universität Rostock | 2015 |
| Haack, Hildegard | Rheinische Friedrich-Wilhelms-Universität Bonn | 1923 |
| Haack, Jeffrey | University of Wisconsin-Madison | 2010 |
| Haack, Joel | The University of Iowa | 1979 |
| Haack, Michael | Martin-Luther-Universität Halle-Wittenberg | 2001 |
| Haack, Wolfgang | Technische Hochschule Danzig | 1929 |
| Haack, Wolfgang | Friedrich-Schiller-Universität Jena | 1926 |