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EDITORIAL 

E T PIERRE DE VILLIERS PIENAAR 

It is with great and singular pleasure that the South African  Speech and Hear-
ing Association dedicates this issue of  the Journal  to Pierre de Villiers Pienaar. 
Professor  Pienaar, father  of  speech therapy and audiology in South Africa, 
retired from  the University of  Pretoria at the end of  1972 and is now Professor 
Emeritus of  that University. 
Those workers who have been associated with Professor  Pienaar in the fields 
of  speech pathology, audiology, phonetics and general linguistics are many 
indeed. The persons contributing to this issue were invited to do so in view of 
their associations with P. de V. Pienaar. Many more than are represented here 
have however had close links with him but the modest length of  our Journal 
prevents the publication of  more papers than this issue is carrying. Several who 
have had long standing contact with Professor  Pienaar regret that they are un-
able to produce papers for  this issue but at the same time express their very 
best wishes to him on the occasion of  his retirement - these are Professors 
D.T. Cole, C.M. Doke, G. Paul Moore and C. Van Riper. 

The following  contributors to this issue are honoured to be given the oppor-
tunity to pay tribute to Pierre de Villiers Pienaar: Professor  Aron, who covers 
the academic and professional  life  of  P. de Villiers Pienaar, was a student in 
Logopedics at the University of  the Witwatersrand and first  worked as a clini-
cian at the Speech, Voice and Hearing Clinic under his headship. Professor 
Westphal was a student in Phonetics under Professor  Pienaar at the University 
of  the Witwatersrand. Dr. S.R. Silverman of  the Central Institute for  the Deaf, 
St. Louis, U.S.A., Professor  R. Luchsinger of  Zurich, and Dr. P.H. Damste of 
the University of  Utrecht, Holland, have all had long professional  contact with 
P. de Villiers Pienaar. Margaret Marks and Isabella Uys, senior lecturers, have 
both been students in Logopedics under Professor  Pienaar at the University of 
the Witwatersrand and both worked with him at this University, Mrs Uys 
joining him later in the Department of  Speech Science, Logopedics and Audi-
ology, University of  Pretoria. Professor  Hay first  joined Professor  Pienaar at 
the University of  Pretoria working in the area of  electro-acoustics and audi-
ology, and on Professor  Pienaar's retirement became Head of  the Department 
of  Speech Science, Logopedics and Audiology. Professor  L.W. Lanham, Head 
of  the Department of  Phonetics and General Linguistics at the University of 
the Witwatersrand, was a student in Phonetics under Professor  Pienaar, and Dr 
William Kerr, a distinguished oto-laryngologist in South Africa  has had pro-
fessional  liaison over many years in the area of  voice disorders with P. de V. 
Pienaar. 
We thank all those who contributed to this Festschrift  and join them in wish-
ing Pierre de Villiers Pienaar good health, and a contented, fruitful  retirement. 

Tydskrif  van die  Suid-Afrikaanse  Vereniging  vr Spraak-  en Gehoorheelkunde,  Vol.  20, Desember 1973 

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