diff --git a/inst/ShinyGR/ui.R b/inst/ShinyGR/ui.R
index 6bebc23e5c003637eefbb82dedbf76aa60dd9459..d7a2b3fd94f7a46af086a6a946e05327fa214924 100644
--- a/inst/ShinyGR/ui.R
+++ b/inst/ShinyGR/ui.R
@@ -249,8 +249,7 @@ navbarPage(title       = div("airGRteaching",
                       ),
                       tabPanel(title = "About",
                                icon  = icon("bars"),
-                               fluidRow(column(width = 6, includeMarkdown("www/tab_about.md")),
-                                        column(width = 5, includeMarkdown("www/tab_authors.md"))),
+                               fluidRow(column(width = 6, includeMarkdown("www/tab_about.md"))),
                       )
            )
 )
diff --git a/inst/ShinyGR/www/fig/photo_brigode_pierre.jpg b/inst/ShinyGR/www/fig/photo_brigode_pierre.jpg
deleted file mode 100644
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diff --git a/inst/ShinyGR/www/fig/photo_coron_laurent.jpg b/inst/ShinyGR/www/fig/photo_coron_laurent.jpg
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diff --git a/inst/ShinyGR/www/fig/photo_michel_claude.jpg b/inst/ShinyGR/www/fig/photo_michel_claude.jpg
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diff --git a/inst/ShinyGR/www/fig/photo_perrin_charles.jpg b/inst/ShinyGR/www/fig/photo_perrin_charles.jpg
deleted file mode 100644
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diff --git a/inst/ShinyGR/www/fig/photo_thirel_guillaume.jpg b/inst/ShinyGR/www/fig/photo_thirel_guillaume.jpg
deleted file mode 100644
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diff --git a/inst/ShinyGR/www/tab_authors.md b/inst/ShinyGR/www/tab_authors.md
deleted file mode 100644
index 58e49df17404453eb0e1f341e9f6fa017b1ffc22..0000000000000000000000000000000000000000
--- a/inst/ShinyGR/www/tab_authors.md
+++ /dev/null
@@ -1,136 +0,0 @@
----
-output: 
-  html_document: 
-    keep_md: yes
-    self_contained: yes
----
-
-
-
-
-
-<table  width="100%">
-<tbody>
-  <tr>
-  <td width="110"><img src="fig/logo_inrae_saclay_CMJN.svg" width="87%" height="87%"></td>
-  <td width="130"><img src="fig/logo_inrae_hydro_CMJN.svg" width="80%" height="80%"></td>
-  <td>The <strong><font color="#0BA6AA"><a href = 'https://webgr.inrae.fr/en/models/' title='GR models' rel='noopener noreferrer nofollow' onclick='window.open(this.href); return false;'>GR</a></font></strong> models and the <strong><font color="#0BA6AA"><a href = 'https://hydrogr.github.io/airGR/' title='airGR' rel='noopener noreferrer nofollow' onclick='window.open(this.href); return false;'>airGR</a></font></strong> &amp; <strong><font color="#0BA6AA"><a href = 'https://hydrogr.github.io/airGRteaching/' title='airGRteaching' rel='noopener noreferrer nofollow' onclick='window.open(this.href); return false;'>airGRteaching</a></font></strong> packages are developed by the <strong><i><a href = 'https://webgr.inrae.fr/en/' onclick='window.open(this.href); return false;'>Catchment Hydrology Team</a></i></strong> of <strong><a href = 'http://www.inrae.fr/en/' onclick='window.open(this.href); return false;'><strong>INRAE</strong></a></strong> at Antony, France.
-  </tr>
-</tbody>
-</table>
-  
-<br>
-
-
-
-#### <strong><font color="#0BA6AA">airGRteaching</font></strong> authors and contributors
-
-<table  width="100%">
-<tbody>
-
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_delaigue_olivier.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Olivier DELAIGUE</font></strong>
-  <br><strong><i>Data scientist</i></strong>
-  <br>INRAE
-  <br>Main developer of the package
-  <br>Maintainer of the package
-  </tr>
-  
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_coron_laurent.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Laurent CORON</font></strong>
-  <br><strong><i>Hydrological and meteorological forecaster</i></strong><br>Now at Electricity of France (EDF)
-  <br>Co-developer
-  </tr>
-
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_brigode_pierre.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Pierre BRIGODE</font></strong>
-  <br><strong><i>Hydrologist</i></strong><br>Now at the university of Nice - Polytech
-  <br>Co-developer
-  </tr>
-  
-  <tr>
-  <td width="115"> <img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_thirel_guillaume.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Guillaume THIREL</font></strong>
-  <br><strong><i>Hydrologist</i></strong>
-  <br>INRAE
-  <br>Co-developer
-  </tr>
-
-</tbody>
-</table>
-
-<br><br><br><br>
-
-
-
-#### <strong><font color="#0BA6AA">airGR</font></strong> authors and contributors
-
-<table  width="100%">
-<tbody>
-
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_coron_laurent.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Laurent CORON</font></strong>
-  <br><strong><i>Hydrological and meteorological forecaster</i></strong>
-  <br>Now at Electricity of France (EDF)
-  <br>Original developer of the package
-  </tr>
-
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_delaigue_olivier.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Olivier DELAIGUE</font></strong>
-  <br><strong><i>Data scientist</i></strong>
-  <br>INRAE
-  <br>Current developer
-  <br>Main maintainer of the package
-  </tr>
-
-  <tr>
-  <td width="115"> <img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_thirel_guillaume.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Guillaume THIREL</font></strong>
-  <br><strong><i>Hydrologist</i></strong>
-  <br>INRAE
-  <br>Current developer
-  <br>Maintainer of the package
-  </tr>
-  
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/logo_inrae_hydro_CMJN.svg" alt="" /></td>
-  <td><strong><font color="#62003C">David DORCHIES</font></strong>
-  <br><strong><i>Hydroinformatician</i></strong>
-  <br>INRAE (UMR G-eau, Montpellier)
-  <br>Current developer
-  </tr>
-  
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_perrin_charles.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Charles PERRIN</font></strong>
-  <br><strong><i>Hydrologist</i></strong>
-  <br>INRAE
-  <br>Maintainer of the GR Fortran codes
-  </tr>
-  
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_michel_claude.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Claude MICHEL</font></strong>
-  <br><strong><i>Hydrologist</i></strong> (retired)
-  <br>INRAE
-  <br>Main creator of the original GR Fortran codes
-  <br>Creator of the GR models structure
-  </tr>
-
-  <tr>
-  <td width="115"> <img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 95%;" src="fig/logo_inrae_hydro_CMJN.svg" alt="" /></td>
-  <td><strong><font color="#62003C">CATCHMENT HYDROLOGY TEAM</font></strong>
-  <br>Contributions to the Fortran codes
-  <br>Contributions to the GR models development
-  </tr>  
-  
-</tbody>
-</table>
-
-
-
diff --git a/inst/ShinyGR/www/tab_authors.rmd b/inst/ShinyGR/www/tab_authors.rmd
deleted file mode 100644
index 55adf9594f7114eac0ca38f6231ce6db3caa01cc..0000000000000000000000000000000000000000
--- a/inst/ShinyGR/www/tab_authors.rmd
+++ /dev/null
@@ -1,143 +0,0 @@
----
-output: 
-  html_document: 
-    keep_md: yes
-    self_contained: yes
----
-
-
-```{r include=FALSE}
-formatGR           <- '<strong><font color="#0BA6AA">%s</font></strong>'
-GR_link            <- sprintf(formatGR, "<a href = 'https://webgr.inrae.fr/en/models/' title='GR models' rel='noopener noreferrer nofollow' onclick='window.open(this.href); return false;'>GR</a>")
-airGR              <- sprintf(formatGR, "airGR")
-airGR_link         <- sprintf(formatGR, "<a href = 'https://hydrogr.github.io/airGR/' title='airGR' rel='noopener noreferrer nofollow' onclick='window.open(this.href); return false;'>airGR</a>")
-airGRteaching      <- sprintf(formatGR, "airGRteaching")
-airGRteaching_link <- sprintf(formatGR, "<a href = 'https://hydrogr.github.io/airGRteaching/' title='airGRteaching' rel='noopener noreferrer nofollow' onclick='window.open(this.href); return false;'>airGRteaching</a>")
-```
-
-
-<table  width="100%">
-<tbody>
-  <tr>
-  <td width="110"><img src="fig/logo_inrae_saclay_CMJN.svg" width="87%" height="87%"></td>
-  <td width="130"><img src="fig/logo_inrae_hydro_CMJN.svg" width="80%" height="80%"></td>
-  <td>The `r GR_link` models and the `r airGR_link` &amp; `r airGRteaching_link` packages are developed by the <strong><i><a href = 'https://webgr.inrae.fr/en/' onclick='window.open(this.href); return false;'>Catchment Hydrology Team</a></i></strong> of <strong><a href = 'http://www.inrae.fr/en/' onclick='window.open(this.href); return false;'><strong>INRAE</strong></a></strong> at Antony, France.
-  </tr>
-</tbody>
-</table>
-  
-<br>
-
-
-
-#### `r airGRteaching` authors and contributors
-
-<table  width="100%">
-<tbody>
-
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_delaigue_olivier.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Olivier DELAIGUE</font></strong>
-  <br><strong><i>Data scientist</i></strong>
-  <br>INRAE
-  <br>Main developer of the package
-  <br>Maintainer of the package
-  </tr>
-  
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_coron_laurent.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Laurent CORON</font></strong>
-  <br><strong><i>Hydrological and meteorological forecaster</i></strong><br>Now at Electricity of France (EDF)
-  <br>Co-developer
-  </tr>
-
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_brigode_pierre.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Pierre BRIGODE</font></strong>
-  <br><strong><i>Hydrologist</i></strong><br>Now at the university of Nice - Polytech
-  <br>Co-developer
-  </tr>
-  
-  <tr>
-  <td width="115"> <img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_thirel_guillaume.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Guillaume THIREL</font></strong>
-  <br><strong><i>Hydrologist</i></strong>
-  <br>INRAE
-  <br>Co-developer
-  </tr>
-
-</tbody>
-</table>
-
-<br><br><br><br>
-
-
-
-#### `r airGR` authors and contributors
-
-<table  width="100%">
-<tbody>
-
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_coron_laurent.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Laurent CORON</font></strong>
-  <br><strong><i>Hydrological and meteorological forecaster</i></strong>
-  <br>Now at Electricity of France (EDF)
-  <br>Original developer of the package
-  </tr>
-
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_delaigue_olivier.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Olivier DELAIGUE</font></strong>
-  <br><strong><i>Data scientist</i></strong>
-  <br>INRAE
-  <br>Current developer
-  <br>Main maintainer of the package
-  </tr>
-
-  <tr>
-  <td width="115"> <img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_thirel_guillaume.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Guillaume THIREL</font></strong>
-  <br><strong><i>Hydrologist</i></strong>
-  <br>INRAE
-  <br>Current developer
-  <br>Maintainer of the package
-  </tr>
-  
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/logo_inrae_hydro_CMJN.svg" alt="" /></td>
-  <td><strong><font color="#62003C">David DORCHIES</font></strong>
-  <br><strong><i>Hydroinformatician</i></strong>
-  <br>INRAE (UMR G-eau, Montpellier)
-  <br>Current developer
-  </tr>
-  
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_perrin_charles.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Charles PERRIN</font></strong>
-  <br><strong><i>Hydrologist</i></strong>
-  <br>INRAE
-  <br>Maintainer of the GR Fortran codes
-  </tr>
-  
-  <tr>
-  <td width="115"><img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 100px;" src="fig/photo_michel_claude.jpg" alt="" /></td>
-  <td><strong><font color="#62003C">Claude MICHEL</font></strong>
-  <br><strong><i>Hydrologist</i></strong> (retired)
-  <br>INRAE
-  <br>Main creator of the original GR Fortran codes
-  <br>Creator of the GR models structure
-  </tr>
-
-  <tr>
-  <td width="115"> <img style="border-width: 2px; border-color:rgba(0,0,0,0.0); border-style: solid; float: left; width: 95%;" src="fig/logo_inrae_hydro_CMJN.svg" alt="" /></td>
-  <td><strong><font color="#62003C">CATCHMENT HYDROLOGY TEAM</font></strong>
-  <br>Contributions to the Fortran codes
-  <br>Contributions to the GR models development
-  </tr>  
-  
-</tbody>
-</table>
-
-
-