ブゾーニ国際ピアノコンクールの受賞者と審査員
審査員一覧

1949 - Cesare Nordio (Pr.)(I)Jacques Février (F)Egon Kornauth (H)Nikita Magaloff (CH)Arturo Benedetti Michelangeli (I)Gino Tagliapietra (I)Antonino Votto (I).
1950 - Cesare Nordio (Pr.)(I)Eduardo del Pueyo (E)Jacques Février (F)Nikita Magaloff (CH)Arturo Benedetti Michelangeli (I)Nikolai Orloff (GB)Antonino Votto (I)Carlo Zecchi (I)
1951 - Cesare Nordio (Pr.)(I)Herbert Albert (A)Franco Capuano (I)Paolo Denza (I)Jaques Février (F)Nikita Magaloff (CH)Igor Markevitch (SU)Nikolai Orloff (GB)Gino Tagliapietra (I)Carlo Vidusso (I)Friedrich Wührer (A)
1952 - Cesare Nordio (Pr.)(I)Jacques Février (F)Nikita Magaloff (CH)Arturo Benedetti Michelangeli (I)Nikolai Orloff (GB)Goffredo Petrassi (I)Carlo Vidusso (I)Antonino Votto (I)Friedrich Wührer (A)
1953 - Cesare Nordio (Pr.)(I)Tito Aprea (I)Paul Baumgartner (CH)Eduardo del Pueyo (E)Carlo Maria Giulini (I)Silvio Scionti (I)Antonino Votto (I)Friedrich Wührer (A)Carlo Zecchi (I)
1954 - Cesare Nordio (Pr.)(I)Eduardo del Pueyo (E)Jacques Février (F)Giorgio Federico Ghedini (I)Nikolai Orloff (GB)Silvio Scionti (I)Renzo Silvestri (I)Antonino Votto (I)Friedrich Wührer (A)
1955 - Cesare Nordio (Pr.)(I)Tito Aprea (I)Eduardo del Pueyo (E)Jacques Février (F)Giorgio Federico Ghedini (I)Nikolai Orloff (GB)Helmut Rolff (D)Silvio Scionti (I)Renzo Silvestri (I)Antonino Votto (I)Friedrich Wührer (A)
1956 - Cesare Nordio (Pr.)(I)Tito Aprea (I)Eduardo del Pueyo (E)Giorgio Federico Ghedini (I)Arturo Benedetti Michelangeli (I)Silvio Scionti (I)Renzo Silvestri (I)Carlo Vidusso (I)Vladimir Vogel (CH)Friedrich Wührer (A)
1957 - Cesare Nordio (Pr.)(I)Tito Aprea (I)Mario Castelnuovo Tedesco (I)Nikita Magaloff (CH)Nikolai Orloff (GB)Silvio Scionti (I)Renzo Silvestri (I)Vladimir Vogel (CH)Friedrich Wührer (A)
1958 - Cesare Nordio (Pr.)(I)Tito Aprea (I)Eduardo del Pueyo (E)Jacques Février (F)Jan Hoffman (PL)Arturo Benedetti Michelangeli (I)Nikolai Orloff (GB)Goffredo Petrassi (I)Helmut Schmidt-Garre (D)Renzo Silvestri (I)Antonino Votto (I)Carlo Vidusso (I)Vladimir Vogel (CH)Friedrich Wührer (A)
1959 - Cesare Nordio (Pr.)(I)Tito Aprea (I)Eduardo del Pueyo (E)Remo Giazotto (I)Angelo Kessissoglu (I)Silvio Scionti (I)Renzo Silvestri (I)Péter Solymos (H)Pancho Vladigerov (BG)Vladimir Vogel (CH)Friedrich Wührer (A)
1960 - Cesare Nordio (Pr.)(I)Tito Aprea (I)Eduardo del Pueyo (E)Jacques Février (F)Silvio Scionti (I)Renzo Silvestri (I)Robert Simpson (GB)Vladimir Vogel (CH)Antonino Votto (I)Friedrich Wührer (A)
1961 - Cesare Nordio (Pr.)(I)Tito Aprea (I)Arthur Berger (CH)Jacques Février (F)Karl Fösel (D)Angelo Kessissoglu (I)Pietro Montani (I)Renzo Silvestri (I)Carlo Vidusso (I)Boleslaw Woytowicz (PL)
1962 - Cesare Nordio (Pr.)(I)Tito Aprea (I)David Diamond (USA)Zbigniew Drzewiecki (PL)Jacques Février (F)Renato Marzani (I)Giovanni Penta (I)Victor Seroff (USA)Renzo Silvestri (I)Carlo Vidusso (I)Antonino Votto (I)Friedrich Wührer (A)
1963 - Giorgio Federico Ghedini (Pr.) (I)Daniele Amfitheatrof (USA)Tito Aprea (I)Giorgio Cambissa (I)Gino Gorini (I)Maureen Jones (AUS)Margherita Kasuro (PL)André-François Marescotti (CH)Renzo Silvestri (I)Giorgio Vidusso (I)Robert Wagner (A)
1964 - Giorgio Cambissa (Pr.)(I)Tito Aprea (I)Mara Balsamova (BG)Lajos Hernádi (H)Lino Liviabella (I)Melita Lorkovic (YU)Nunzio Montanari (I)Eliane Richepin (F)Silvio Scionti (I)Béla Siki (H)Renzo Silvestri (I)Giorgio Vidusso (I)Robert Wagner (A)
1965 - Giorgio Cambissa (Pr.)(I)Tito Aprea (I)Zbigniew Drzewiecki (PL)Ivo Macek (YU)George Rogers (GB)Silvio Scionti (I)Bruno Seidlhofer (A)Renzo Silvestri (I)Giorgio Vidusso (I)Friedrich Wührer (A)
1966 - Giorgio Cambissa (Pr.)(I)Tito Aprea (I)Nikita Magaloff (CH)Kurt Neumüller (A)František Rauch (CS)Stefana Robert Pelischek (BG)Renzo Silvestri (I)Giorgio Vidusso (I)Friedrich Wührer (A)Robert Zeller (USA)
1967 - Giorgio Cambissa (Pr.)(I)Tito Aprea (I)Bruno Bettinelli (I)Orazio Frugoni (I)Valentin Georghiu (R)František Rauch (CS)George Rogers (GB)Renzo Silvestri (I)Margherita Trombini-Kazuro (PL)Giorgio Vidusso (I)Robert Wagner (A)
1968 - Giorgio Cambissa (Pr.)(I)Tito Aprea (I)Bruno Bettinelli (I)Ljuba Entscheva (BG)Geneviève Joy (F)Aldo Mancinelli (USA)André-François Marescotti (CH)Renzo Silvestri (I)Giorgio Vidusso (I)Lev Vlasenko (SU)Friedrich Wührer (A)
1969 - Giorgio Cambissa (Pr.)(I)Riccardo Allorto (I)Tito Aprea (I)Eduardo del Pueyo (E)Vera Gornostaeva (SU)Vaclav Holzknecht (CS)Giorgio Vidusso (I)Vincenzo Vitale (I)Robert Wagner (A)Friedrich Wührer (A)
1970 - Giorgio Cambissa (Pr.)(I)Tito Aprea (I)Valentin Georghiu (R)Parashkev Hadjiev (BG)André-François Marescotti (CH)Vlado Perlemuter (F)Piero Rattalino (I)George Rogers (GB)Renzo Silvestri (I)Giorgio Vidusso (I)Friedrich Wührer (A)
1971 - Giorgio Cambissa (Pr.)(I)Tito Aprea (I)Constantin Ganev (BG)Garrick Ohlsson (USA)Piero Rattalino (I)František Rauch (CS)Renzo Silvestri (I)Hans Sittner (A)Péter Solymos (H)Hugo Steurer (D)Giorgio Vidusso (I)
1972 - Giorgio Cambissa (Pr.)(I)Riccardo Allorto (I)Tito Aprea (I)Rodolfo Caporali (I)Eduardo del Pueyo (E)Solon Lichaelidis (GR)Vlado Perlemuter (F)Ljubomir Pipkov (BG)Giorgio Vidusso (I)Friedrich Wührer (A)
1973 - Giorgio Cambissa (Pr.)(I)Riccardo Allorto (I)Tito Aprea (I)Marie Antoinette de Freitas Branco (P)Valentin Georghiu (R)André-François Marescotti (CH)Solon Michaelides (GR)Sergio Perticaroli (I)František Rauch (CS)Carl Seemann (D)Giorgio Vidusso (I)
1974 - Giorgio Cambissa (Pr.)(I)Riccardo Allorto (I)Tito Aprea (I)Rodolfo Caporali (I)Halina Czerny-Stefanska (PL)Geneviève Joy (F)André-François Marescotti (CH)Jerome Rose (USA)Carl Seemann (D)Bruno Seidlhofer (A)Giorgio Vidusso (I)
1975 - Giorgio Cambissa (Pr.)(I)Tito Aprea (I)Rodolfo Caporali (I)Marie Antoinette de Freitas Branco (P)Dario de Rosa (I)Jan Ekier (PL)Constantin Ganev (BG)Nicole Henriot (F)Jerome Rose (USA)Maria Tipo (I)
1976 - Giorgio Cambissa (Pr.)(I)Bruno Canino (I)Dario de Rosa (I)Jan Ekier (PL)Constantin Ganev (BG)Ludwig Hoffmann (D)Geneviève Joy (F)André-François Marescotti (CH)Alberto Mozzati (I)Giorgio Vidusso (I)Mario Zafred (I)
1977 - Giorgio Cambissa (Pr.)(I)Tito Aprea (I)Paul Badura-Skoda (A)Bruno Canino (I)Anton Dikov (BG)Jan Ekier (PL)Monique Haas (F)Louis Kentner (H)Giorgio Vidusso (I)
1978 - Giorgio Cambissa (Pr.)(I)Rodolfo Caporali (I)Neri Gautier (CH)Ludwig Hoffmann (D)Geneviève Joy (F)František Rauch (CS)Maria Tipo (I)Giorgio Vidusso (I)
1979 - Giorgio Cambissa (Pr.)(I)Tito Aprea (I)Marie Antoinette de Freitas Branco (P)Henri Gautier (CH)Hans Leygraf (A)Armando Renzi (I)Carlo Florindo Semini (I)Giorgio Vidusso (I)Amadeus Webersinke (D)
1980 - Giorgio Cambissa (Pr.)(I)Giovanni Carli Ballala (I)Pierre Barbizet (F)Rodolfo Caporali (I)Bernhard Ebert (D)Bruno Mezzena (I)Carlo Florindo Semini (I)Amadeus Webersinke (D)Wiktor Weinbaum (PL)
1981 - Giorgio Cambissa (Pr.)(I)Tito Aprea (I)Constantin Ganev (BG)Valentin Georghiu (R)Monique Haas (F)Ludwig Hoffmann (D)André-François Marescotti (CH)Nunzio Montanari (I)Giorgio Vidusso (I)
1982 - Hubert Stuppner (Pr.)(I)Robert Benz (D)Rodolfo Caporali (I)Arnaldo Cohen (BR)Dario de Rosa (I)André-François Marescotti (CH)Viktor Merzhanov (SU)Giorgio Vidusso (I)Käte Wittlich (A)
1983 - Hubert Stuppner (Pr.)(I)Bruno Canino (I)Bernhard Ebert (D)Rudolf Fischer (D)Hubert Harry (GB)Hans Kann (A)Sergio Perticaroli (I)Roberto Szidon (BR)Maria Tipo (I)Giorgio Vidusso (I)Charles H.Webb (USA)
1984 - Hubert Stuppner (Pr.)(I)Rodolfo Caporali (I)David Dubal (USA)Adam Harasiewicz (PL)Günter Ludwig (D)Viktor Merzhanov (SU)Agostino Orizio (I)Michael Ponti (USA)Giorgio Vidusso (I)Carlo Zecchi (I)Tadeusz Zmudzinski (PL)
1985 - Hubert Stuppner (Pr.)(I)Paul Badura-Skoda (A)Dario de Rosa (I)Philip Lorenz (USA)Oleg Maisenberg (A)Alexej Nasedkin (SU)Rafael Orozco (E)Sergio Perticaroli (I)Maria Tipo (I)Giorgio Vidusso (I)Takashi Yamazaki (J)
1986 - Hubert Stuppner (Pr.)(I)Gaby Casadesus (F)Maxwell Cooke (AUS)Laura de Fusco (I)Bernhard Ebert (D)Hans Leygraf (A)Toyoaki Matsuura (J)Viktor Merzhanov (SU)Sergio Perticaroli (I)Piero Rattalino (I)Giorgio Vidusso (I)
1987 - Hubert Stuppner (Pr.)(I)Bruno Canino (I)Brigitte Engerer (F)Rudolf Fischer (D)Oleg Maisenberg (A)Agostino Orizio (I)Sergio Perticaroli (I)Nikolaj Petrov (SU)Joaquín Soriano (E)Giorgio Vidusso (I)Takashi Yamazaki (J)
1988 - Hubert Stuppner (Pr.)(I)Boris Bloch (USA)Orazio Frugoni (I)Gino Gorini (I)Viktor Merzhanov (SU)Germaine Mounier (F)Yuzuru Nagai (J)Gerhard Oppitz (D)Frederic Rzewski (USA)Maria Tipo (I)Giorgio Vidusso (I)
1989 - Hubert Stuppner (Pr.)(I)Marcello Abbado (I)Rodolfo Caporali (I)Dario de Rosa (I)Bernhard Ebert (D)Homero Francesch (U)Vldimir Krainev (SU)Piero Rattalino (I)François Joël Thiollier (USA)Fanny Waterman (GB)Takashi Yamazaki (J)
1990 - Hubert Stuppner (Pr.)(I)Abdel Rahman El Bacha (RL)Giorgio Cambissa (I)Klaus Hellwig (D)Alexander Lonquich (D)Viktor Merzhanov (SU)Mario Messinis (I)Bruno Mezzena (I)Hiroko Nakamura (J)Sergio Perticaroli (I)James Tocco (USA)
1991 - Hubert Stuppner (Pr.)(I)Arnaldo Cohen (BR)Dario de Rosa (I)Sergio Fiorentino (I)Leonard Hokanson (USA)Andrej Jasinski (PL)Alexander Jenner (A)Germaine Mounier (F)Yuzuru Nagai (J)Piero Rattalino (I)Elisso Virsaladze (SU)
1992 - Hubert Stuppner (Pr.)(I)Michele Campanella (I)Rodolfo Caporali (I)Sándor Falvai (H)Rolf Liebermann (CH)Günter Ludwig (D)Radomir Melmuka (CS)Boris Petrushansky (SU)Harold C. Schonberg (USA)Gabriel Tachinó (F)Maria Tipo (I)
1993 - Hubert Stuppner (Pr.)(I)Marcello Abbado (I)Sulamita Aronovsky (GB)Robert Benz (D)Lazar Berman (SU)Michel Beroff (F)Idil Biret (TR)Boris Bloch (USA)Massimo Bogianckino (I)Einar Steen-Nökleberg (N)Sergio Perticaroli (I)
1994 - Hubert Stuppner (Pr.)(I)Antonio Ballista (I)Robert Benz (D)Bruno Canino (I)Bernhard Ebert (D)Vladimir Krainev (SU)Agostino Orizio (I)Harold C. Schonberg (USA)Wilhelm Sinkowicz (A)Catherine Vickers (CDN)Fanny Waterman (GB)
1995 - Hubert Stuppner (Pr.)(I)Michel Beroff (F)John Bingham (GB)Idil Biret (TR)Massimiliano Damerini (I)Lya de Barberiis (I)Vladimir Ovchinikov (SU)Sergio Perticaroli (I)Jean Louis Steuermann (BR)Stefan Vladar (A)Fausto Zadra (I-RA)
1996 - Hubert Stuppner (Pr.)(I)Giorgio Cambissa (I)Peter Cossè (D)Bella Davidovich (SU)Laura De Fusco (I)Valentin Gheorghiu (R)Yvonne Loriod-Messiaen (F)Bruno Mezzena (I)Takahiro Sonoda (J)Elisso Virdsaladze (GEO)Arnulf von Arnim (D)
1997 - Rolf Liebermann (Pr.)(CH)Andrea Bonatta (I)Boris Bloch (SU)Arnaldo Cohen (BR)Dario de Rosa (I)Adam Harasiewicz (PL)Alfons Kontarsky (D)Andrea Lucchesini (I)Yasuko Matsuda (J)Lev Natochenny (USA)Catherine Vickers (CDN)
1998 - Roman Vlad (Pr.)(I)Paul Badura-Skoda (A)Dimitri Bashkirov (SU)Bruno Canino (I)Arnaldo Cohen (BR)Zoltan Kocsis (H)Bryce Morrison (GB)Jerome Rose (USA)Igor Shukov (SU)François-Joël Thiollier (F)Maria Tipo (I)
1999 - Roman Vlad (Pr.)(I)Valery Afanassiev (B)Antonio Ballista (I)Antony Beaumont (GB)Robert Benz (D)Boris Bloch (UKR)Geoffrey Doulglas Madge (AUS)Alexandar Madzar (YU)Sergio Perticaroli (I)Ruth Slenczynska (USA)Takahiro Sonoda (J)
2000 - Roman Vlad (Pr.)(I)Leif Ove Andsnes (N)Peter Cossè (D)Dario de Rosa (I)Renna Kellaway (GB)Hiroko Nakamura (J)John O’Connor (IRL)Jeffrey Swann (USA)François-Joël Thiollier (F)Maria Tipo (I)Elisso Virdsaladze (GEO)
2001 - Andrea Bonatta (Pr.) (I)Antonio Ballista (I)Volker Banfield (D)Valentin Georghiu (RO)Andrzei Jasinsky (PL)Mi-Joo Lee (ROK)Yatsuko Matsuda (J)Ursula Oppens (USA)Sergio Perticaroli (I)Konstantin Scherbakov (RUS)Blanca Uribe (CO)
2002 - Andrea Bonatta (Pr.) (I)Rolf-Dieter Arens (D)Antonio Ballista (I)Andrzei Jasinsky (PL)Konstantin Scherbakov (RUS)Mi-Kyung Kim (ROK)Bryce Morrison (GB)
2003 - Andrea Bonatta (Pr.) (I)Paul Badura Skoda (A)Dario De Rosa (I)Irwin Gage (USA)Valentin Gheorghiu (RO)Andrea Lucchesini (I)Jürgen Meyer Josten (D)Agostino Orizio (I)Arie Vardi (IL)Xu Zhong (VRC)Lilya Zilberstein (RUS)
2004 - Sergio Perticaroli (Pr.)(I)Antonio Ballista (I)Noel Flores (AUS)Mi Kyung Kim (ROK)Ewa Poblocka (PL)Tamas Ungar (USA)Mikhail Voskressensky (RUS)
2005 - Maria Tipo (Pr.)(I)Umberto Benedetti Michelangeli(I)Gianluca Cascioli (I)Anatol Ugorski (RUS)Ralf Gothoni (FIN)Jerome Lowenthal (USA)Peter Cossè (A)Bernard Ringeissen (F)Idil Biret (TR)Einar Steen-Nökleberg (N)Valentin Gheorghiu (RO)
2006 - Sergio Perticaroli (Pr.) (I)Manana Doidjashvili (GE)Mi-Kyung Kim (ROK)Karl Heinz Kämmerling (D)Vitaly Margulis (UA)Riccardo Risaliti (I)Marian Rybicki (F)
2007 - Maria Tipo (Pr.)(I)Paul Badura-Skoda (A)Idil Biret (TR)Arnaldo Cohen (BR)Francesco Maria Colombo (I)Gary Graffman (USA)Yasuko Matsuda (J)Enrico Pace (I)Konstantin Scherbakov (RUS)Eliso Virsaladze (GE)Xu Zhong (RC)
2008 - Sergio Perticaroli (Pr.)(I)Andrzei Jasinsky (PL)Dennis Lee (MAL)Bernd Goetzke (D)Jerome Lowenthal (USA)Alexander Shtarkman (RUS)Wu Ying (RC)
2009 - Lilya Zilberstein (Pr.) (RUS)Hung-Kuan Chen (RC)Bella Davidovich (RUS)Christopher Elton (GB)Janina Fialkowska (CDN)Joseph Kalichstein (USA)Oliver Kern (D)Enrico Pace (I)Salvatore Sciarrino (I)Hüseyin Sermet (TR)Cristina Ortiz (BR)
2010 - Gary Graffman (Pr.)(USA)Daejin Kim (ROK)Roberto Cominati (I)Boris Bloch (D)Nicolas Hodges (GB)Li Jian (RC)Jiri Hlinka (N)
2011 - Martha Argerich (Pr.) (RA)Nicholas Angelich (USA)Giorgio Battistelli (I)Pietro De Maria (I)Kun Woo Paik (ROK)Alfredo Perl (RCH)Menahem Pressler (USA)Daniel Rivera (RA)Tamara Stefanovich (D)Numa Bischof Ullmann (CH)Lilya Zilberstein (RUS)
2012 - Ewa Kupiec (Pr.) (PL)Sergey Babayan (USA/AM)Tong-Il Han (ROK)Yakov Kasman (USA/RUS)Benedetto Lupo (I)Jan Michiels (B)Wu Ying (PRC)
2013 - Peter Donohoe (Pr.) (UK)Josef Bulva (CZ)Unsuk Chin (ROK)Martha De Francisco (CO)Filippo Gamba (I)Bruno Monsaingeon (F)Steven Osborne (UK)Francesco Piemontesi (CH)Roland Pöntinen (S)Konstantin Scherbakov (RUS)
2014 - Dubravka Tomsic (Pr.)(SLO)Fabio Bidini (I)Roberto Cappello (I)Jan Jiracek von Arnim (D)Aleksandar Madzar (SRB)Valdimir Selivochin (RUS)Nina Tichman (USA)
2015 - JÖRG DEMUS Pr.Austria ROBERT BENZ Germany BORIS BLOCH Ukraine ARNALDO COHEN Brazil ROBERTO COMINATI Italy ALEXANDER KOBRIN United States JEROME ROSE United States ALEXANDER SHTARKMAN Russian Federation CATHERINE VICKERS Canada ZHU XIAO-MEI China LILYA ZILBERSTEIN Russian Federation
2016 - Olivier Cazal (Francia)Katherine Chi (Canada)Ivan Drenikov (Bulgaria)Ingrid Fliter (Argentina)Hideyo Harada (Giappone)Francesco Libetta (Italia)Yuri Zilberman (Ucraina)
2017 - Mari Kodama (Japan) Christopher Adler (UK) Bruce Brubaker (US) Sachen (China) Kevin Kenner (US) Petro De Maria (Italy) Matthias Naske (Austria) Walter Ponce (US) Jorge Luis Prats (Spain)
2018 - Evgeni Bozhanov (bul)Rico Gulda (a)Dennis (Ean Hooi) Lee (mal)Anton Lyakhovsky (ukr)Yeol Eum Son (cor, President)Shai Wosner (isr)Jie Yuan (chn)
2019 - 2019 TILL FELLNER(Pr.Austria)PAOLO ARCÀ(Italy)ABDEL RAHMAN EL BACHA(Lebanon)NICOLAS HODGES(United Kingdom)BENEDETTO LUPO(Italy)ROLAND PEELMAN(Australia)ANNE QUEFFÉLEC(France)LIU SHIKUN(China)DANG THAI SON(Viet Nam)GEORGE STEEL(United States)TATIANA ZELIKMAN(Russian Federation)
2020/2021 - 2021 Jury Louis Lortie PRESIDENT Canada Nareh Arghamanyan Armenia Alessio Bax Italy / USA Federico  Colli Italy Francesco Filidei Italy TillJanczukowicz Germany Hélène Mercier Canada Eliane Rodrigues Brasil Alexander Romanovsky Ukraine / Italy Mikhail Rudy France ; Jury of the Pre-Selections 2020 Elmar Weingarten PRESIDENT Germany Saleem Ashkar Israel Davide Cabassi Italy Milana Chernyavska Ukraine Michail Lifits Germany Staffan Scheja Sweden Minsoo Sohn South Corea
2022 - Giuria del Glocal Piano Project 2022 Hinrich Alpers Antonii Baryshevskyi Maria Grazia Bellocchio Andrey Gugnin Chloë Herteleer Claire Huangci Ingolf Wunder; Giuria delle Videoselezioni 2022 Gülru Ensari Carlo Grante Peter Paul Kainrath
2023 - Ingrid Fliter (arg) (Chm.) Iain Burnside (gb) Jiang Chen (chn) Imogen Cooper (gb) Fulvia De Colle (it) François-Frédéric Guy (f) Aleksandar Madžar (serb) Nicholas Namoradze (geor) Clemens Trautmann (ger)
2024 - GPP:Giuseppe Albanese, Jan Bartoš, Anna Gourari, Nicolas Namoratze, Alberto Nosè, Herbert Schuch, Zee Zee; Video Selections: Anna Geniushene Yejin Gil, Peter Paul Kainrath