Chimici
Tutte le voci di Chimici:
- Radnitz, Gerty Theresa
- Rammelsberg, Karl Friedrich
- Ramsay, sir William
- Raoult, François-Marie
- Raschig, Friedrich August
- Razuvaev, Grigorij Alekseevič
- Regnault, Henri-Victor
- Reichstein, Tadeus
- Remsen, Ira
- Reppe, Walter
- Rey, Jean
- Ricciardi, Leonardo
- Richards, Theodore William
- Richter, Jeremias Benjamin
- Robdell, Martin
- Roberts, Richard John
- Robinson, sir Robert
- Robiquet, Pierre Jean
- Roche, Jean
- Rodbell, Martin
- Roebuck, John
- Roozeboom, Hendrik Willem Bakhuis
- Roscoe, sir Henry Enfield
- Rose, Irwin
- Rose, Valentin
- Rose, William Cumming
- Rouelle, Guillaume François
- Rowland, Frank Sherwood
- Runge, Friedlieb Ferdinand
- Ružička, Leopold Stephen
- Ròlla, Luigi