Dopico, Froilán (ed.); Kressner, Daniel (ed.); Mastronardi, Nicola (ed.); Mehrmann, Volker (ed.); Vandebril, Raf (ed.) Preface. (English) Zbl 1461.01016 Linear Algebra Appl. 623, 1-13 (2021). From the text: This is a special issue of Linear Algebra and its Applications in honor of Paul Van Dooren on the occasion of his 70th birthday. MSC: 01A70 Biographies, obituaries, personalia, bibliographies 00B30 Festschriften 15-06 Proceedings, conferences, collections, etc. pertaining to linear algebra 65-06 Proceedings, conferences, collections, etc. pertaining to numerical analysis Biographic References: Van Dooren, Paul PDFBibTeX XMLCite \textit{F. Dopico} (ed.) et al., Linear Algebra Appl. 623, 1--13 (2021; Zbl 1461.01016) Full Text: DOI