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Prof. Dr. Ioan-Iovitz POPESCU (Iovitzu)

Member of the Romanian Academy

Ioan-Iovitz Popescu - Wikipedia


Lansarea cărții „Din viața lui Iovițu” - vedeți la: / The release of the book "Iovițu's Life" - see at:

Popescu, Ioan-Iovitz, Din viața lui Iovițu / Iovițu's Life, Editura Academiei Române, Bucureşti, 2020, ISBN 978-973-27-3261-8

Omagiu adus Academicianului IOAN-IOVITZ POPESCU, la New York - 24 martie 2021

Comunicat al Academiei Române

Invitație la Sesiunea aniversară 85 dedicată Acad. Ioan-Iovitz Popescu

Gabriel Altmann's message on this occasion

În Aula Academiei Române, Iovitzu 85

La Clubul Academiei Române, Iovitzu 85

Thanks for the speakers at my 85th anniversary

Vita et Opera: Physics, Plasmas & Lasers
Leisure: Linguistic publications updated January 2019

New: Geometrical Optics, Contemporary Literature Press, 2017

Quantitative Analysis of Poetic Texts, Walter de Gruyter, 2015

  Word Frequency Studies, Walter de Gruyter, 2009

Ether and Etherons:
• Ether and Etherons. A Possible Reappraisal of the Concept of Ether. 1982
• Etherons as predicted by Ioan-Iovitz Popescu in 1982
• Einstein's Cosmic Ether, the Atomic Ether, their Etherons and our Mind


Iovitzu’s Google Scholar profile

Iovitzu at 80 as seen by Dr. George Dinescu, November 22, 2012

Romanian Reports in Physics Festschrift to Honor Iovitzu 80  

Foreword by Professor Gabriel Altmann   

Opera Omnia 2009 Prize (May 2009)

Word Frequency Studies, de Gruyter, Berlin – New York (June 2009)Preview

Aspects of Word Frequencies, RAM - Verlag (July 2009)

Zipf's law – another view, Quality and Quantity, 44(4), 713-731 (2010)

Quantitative Analysis of Italian Texts, RAM - Verlag (February, 2010)

Vectors and codes of text, RAM - Verlag (July, 2010)

NEW! The Lambda-structure of Texts, RAM - Verlag (January, 2011)

The books can be freely accessed at


First_experimental_evidence_of_nano_clustering (1968)

First_experimental_evidence_of_multiphoton_spectra (1973)

Early proposal of X-ray pumping of gamma ray lasers (1982)

And recent Triggered Isomer Proof confirmation (2008)

Iovitzu's lectures on OPTICS, holograph, Universitatea Bucuresti (1988)

My most cited paper, with Silviu Olariu:
The quantum effects of electromagnetic fluxes
Rev. Mod. Phys. 57, 339 - 436 (1985)


Links dedicated to Ioan-Iovitz Popescu (Iovitzu):

Links dedicated to my dearly beloved Denisa (Daisy)
Heralding Laser Spectroscopy - Vita et Opera of Dr. Denisa Popescu (2003)

Denisa at the time of discovering multiphoton spectra (the spring of 1973)

Dr. Denisa Popescu - In Memoriam by Carl B. Collins 27 November 2003

Nominated for the Nobel Prize in Physics (1981, 1995, 1996, 1997) 

For her discovery of atomic multiphoton spectra (1973)

Denisa's seminal paper on multiphoton spectra (1974) (1.16 MB) 

Cited as a first reference in the review article from Physics Reports 429 (2006) 123 - 241

Pictures of Denisa at her apogee:

Our wedding (August 10, 1963)

Her look while discovering multiphoton spectra (1973)

With Professor Carl B. Collins, Center for Quantum Electronics, UT Dallas (1973)

Working out spectral records (1973)

Denisa and her Dallas team (1973)
Beloved, sleep: “Weep not, she is not dead but sleepeth” Luke 8:52 November 2004

Denisa & Iovitzu - Photo Album April 2006

Days of September 2007

Damned impact factors

Denisa în culmea gloriei - transcriere de pe CD (Word, martie 1973)

New Major Links:

Science Journal Titles and their Vocabulary March 2003

Ether and Etherons January 2003

Ether and Etherons (Word version, 210 kB)

Iovitzu's Curriculum Vitae contents