| Title: | Professor (Chair) of sinology |
| Year of Birth: | 1955 |
| Address: | Office:Institut Für Ostasienkunde, Kaulbachstr. 51a, 80539 München, Gernamy Private: Heinrich-Egger-Str. 17, 85614 Kirchseeon, Germany |
| Email: | ptak@lrz. uni-muenchen. de |
| Specialty: | S. China & Maritime S./S.E. Asia: historical, 历史地理, Economic Relations (C. 1000-1600) Macau & Port. Asia (16th/17th Cent.) |
| Publications: | Cheng Hos Abenteuer im Drama and Roman Der Ming-Zeit. Stuttgart 1986 With Dietma Rothermand (loth Eds.): Emporia, Commodities and Entrepreneus in Asian Maritime Trade, c. 1400-1750. Stuttgart 1991 |